Home / 3,895,781.59-5,376,075.45-2,176,916.23

Finding the Fourth Proportional to 3,895,781.59, 5,376,075.45 and 2,176,916.23

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Solution

The fourth proportional to 3,895,781.59, 5,376,075.45 and 2,176,916.23 is: 3,004,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,781.59 : 5,376,075.45 = 2,176,916.23 : x
  2. Step 2: Convert to fraction form
    3,895,781.59/5,376,075.45 = 2,176,916.23/x
  3. Step 3: Cross multiply
    3,895,781.59x = 5,376,075.45 × 2,176,916.23
  4. Step 4: Simplify right side
    3,895,781.59x = 11,703,265,900,809.55
  5. Step 5: Solve for x
    x = 11,703,265,900,809.55/3,895,781.59
  6. Step 6: Final answer
    x = 3,004,086.76

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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.