Home / 3,977,420.88-5,486,531.64-2,506,753.20

Finding the Fourth Proportional to 3,977,420.88, 5,486,531.64 and 2,506,753.20

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Solution

The fourth proportional to 3,977,420.88, 5,486,531.64 and 2,506,753.20 is: 3,457,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,420.88 : 5,486,531.64 = 2,506,753.20 : x
  2. Step 2: Convert to fraction form
    3,977,420.88/5,486,531.64 = 2,506,753.20/x
  3. Step 3: Cross multiply
    3,977,420.88x = 5,486,531.64 × 2,506,753.20
  4. Step 4: Simplify right side
    3,977,420.88x = 13,753,380,745,471.25
  5. Step 5: Solve for x
    x = 13,753,380,745,471.25/3,977,420.88
  6. Step 6: Final answer
    x = 3,457,864.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.