Home / 3,487,881.60-5,231,995.20-1,808,265.60

Finding the Fourth Proportional to 3,487,881.60, 5,231,995.20 and 1,808,265.60

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Solution

The fourth proportional to 3,487,881.60, 5,231,995.20 and 1,808,265.60 is: 2,712,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,881.60 : 5,231,995.20 = 1,808,265.60 : x
  2. Step 2: Convert to fraction form
    3,487,881.60/5,231,995.20 = 1,808,265.60/x
  3. Step 3: Cross multiply
    3,487,881.60x = 5,231,995.20 × 1,808,265.60
  4. Step 4: Simplify right side
    3,487,881.60x = 9,460,836,939,525.12
  5. Step 5: Solve for x
    x = 9,460,836,939,525.12/3,487,881.60
  6. Step 6: Final answer
    x = 2,712,487.99

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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.