Home / 2,112,129.60-3,168,194.40-974,889.60

Finding the Fourth Proportional to 2,112,129.60, 3,168,194.40 and 974,889.60

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Solution

The fourth proportional to 2,112,129.60, 3,168,194.40 and 974,889.60 is: 1,462,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,129.60 : 3,168,194.40 = 974,889.60 : x
  2. Step 2: Convert to fraction form
    2,112,129.60/3,168,194.40 = 974,889.60/x
  3. Step 3: Cross multiply
    2,112,129.60x = 3,168,194.40 × 974,889.60
  4. Step 4: Simplify right side
    2,112,129.60x = 3,088,639,771,338.24
  5. Step 5: Solve for x
    x = 3,088,639,771,338.24/2,112,129.60
  6. Step 6: Final answer
    x = 1,462,334.40

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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.