Home / 3,078,009.60-4,617,014.40-834,147.60

Finding the Fourth Proportional to 3,078,009.60, 4,617,014.40 and 834,147.60

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Solution

The fourth proportional to 3,078,009.60, 4,617,014.40 and 834,147.60 is: 1,251,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,009.60 : 4,617,014.40 = 834,147.60 : x
  2. Step 2: Convert to fraction form
    3,078,009.60/4,617,014.40 = 834,147.60/x
  3. Step 3: Cross multiply
    3,078,009.60x = 4,617,014.40 × 834,147.60
  4. Step 4: Simplify right side
    3,078,009.60x = 3,851,271,480,925.44
  5. Step 5: Solve for x
    x = 3,851,271,480,925.44/3,078,009.60
  6. Step 6: Final answer
    x = 1,251,221.40

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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.