Home / 3,130,299.60-4,695,449.40-2,918,792.40

Finding the Fourth Proportional to 3,130,299.60, 4,695,449.40 and 2,918,792.40

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Solution

The fourth proportional to 3,130,299.60, 4,695,449.40 and 2,918,792.40 is: 4,378,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,299.60 : 4,695,449.40 = 2,918,792.40 : x
  2. Step 2: Convert to fraction form
    3,130,299.60/4,695,449.40 = 2,918,792.40/x
  3. Step 3: Cross multiply
    3,130,299.60x = 4,695,449.40 × 2,918,792.40
  4. Step 4: Simplify right side
    3,130,299.60x = 13,705,042,023,304.56
  5. Step 5: Solve for x
    x = 13,705,042,023,304.56/3,130,299.60
  6. Step 6: Final answer
    x = 4,378,188.60

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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.