Home / 3,931,938.05-5,423,279.43-2,624,530.92

Finding the Fourth Proportional to 3,931,938.05, 5,423,279.43 and 2,624,530.92

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Solution

The fourth proportional to 3,931,938.05, 5,423,279.43 and 2,624,530.92 is: 3,619,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,938.05 : 5,423,279.43 = 2,624,530.92 : x
  2. Step 2: Convert to fraction form
    3,931,938.05/5,423,279.43 = 2,624,530.92/x
  3. Step 3: Cross multiply
    3,931,938.05x = 5,423,279.43 × 2,624,530.92
  4. Step 4: Simplify right side
    3,931,938.05x = 14,233,564,524,718.58
  5. Step 5: Solve for x
    x = 14,233,564,524,718.58/3,931,938.05
  6. Step 6: Final answer
    x = 3,619,986.97

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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.