Home / 3,995,142-5,513,395.80-2,425,292.40

Finding the Fourth Proportional to 3,995,142, 5,513,395.80 and 2,425,292.40

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Solution

The fourth proportional to 3,995,142, 5,513,395.80 and 2,425,292.40 is: 3,346,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,142 : 5,513,395.80 = 2,425,292.40 : x
  2. Step 2: Convert to fraction form
    3,995,142/5,513,395.80 = 2,425,292.40/x
  3. Step 3: Cross multiply
    3,995,142x = 5,513,395.80 × 2,425,292.40
  4. Step 4: Simplify right side
    3,995,142x = 13,371,596,931,931.92
  5. Step 5: Solve for x
    x = 13,371,596,931,931.92/3,995,142
  6. Step 6: Final answer
    x = 3,346,964.12

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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.