Home / 3,885,201.60-5,827,802.40-2,205,585.60

Finding the Fourth Proportional to 3,885,201.60, 5,827,802.40 and 2,205,585.60

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Solution

The fourth proportional to 3,885,201.60, 5,827,802.40 and 2,205,585.60 is: 3,308,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,201.60 : 5,827,802.40 = 2,205,585.60 : x
  2. Step 2: Convert to fraction form
    3,885,201.60/5,827,802.40 = 2,205,585.60/x
  3. Step 3: Cross multiply
    3,885,201.60x = 5,827,802.40 × 2,205,585.60
  4. Step 4: Simplify right side
    3,885,201.60x = 12,853,717,053,085.44
  5. Step 5: Solve for x
    x = 12,853,717,053,085.44/3,885,201.60
  6. Step 6: Final answer
    x = 3,308,378.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.