Home / 3,811,862.40-5,260,646.16-2,520,463.20

Finding the Fourth Proportional to 3,811,862.40, 5,260,646.16 and 2,520,463.20

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Solution

The fourth proportional to 3,811,862.40, 5,260,646.16 and 2,520,463.20 is: 3,478,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,862.40 : 5,260,646.16 = 2,520,463.20 : x
  2. Step 2: Convert to fraction form
    3,811,862.40/5,260,646.16 = 2,520,463.20/x
  3. Step 3: Cross multiply
    3,811,862.40x = 5,260,646.16 × 2,520,463.20
  4. Step 4: Simplify right side
    3,811,862.40x = 13,259,265,054,501.31
  5. Step 5: Solve for x
    x = 13,259,265,054,501.31/3,811,862.40
  6. Step 6: Final answer
    x = 3,478,421.74

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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.