Home / 3,758,038.95-5,637,009.27-918,175.71

Finding the Fourth Proportional to 3,758,038.95, 5,637,009.27 and 918,175.71

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Solution

The fourth proportional to 3,758,038.95, 5,637,009.27 and 918,175.71 is: 1,377,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,038.95 : 5,637,009.27 = 918,175.71 : x
  2. Step 2: Convert to fraction form
    3,758,038.95/5,637,009.27 = 918,175.71/x
  3. Step 3: Cross multiply
    3,758,038.95x = 5,637,009.27 × 918,175.71
  4. Step 4: Simplify right side
    3,758,038.95x = 5,175,764,988,758.83
  5. Step 5: Solve for x
    x = 5,175,764,988,758.83/3,758,038.95
  6. Step 6: Final answer
    x = 1,377,251.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.