Home / 2,154,545.81-3,230,825.09-637,686.35

Finding the Fourth Proportional to 2,154,545.81, 3,230,825.09 and 637,686.35

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Solution

The fourth proportional to 2,154,545.81, 3,230,825.09 and 637,686.35 is: 956,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,545.81 : 3,230,825.09 = 637,686.35 : x
  2. Step 2: Convert to fraction form
    2,154,545.81/3,230,825.09 = 637,686.35/x
  3. Step 3: Cross multiply
    2,154,545.81x = 3,230,825.09 × 637,686.35
  4. Step 4: Simplify right side
    2,154,545.81x = 2,060,253,059,130.52
  5. Step 5: Solve for x
    x = 2,060,253,059,130.52/2,154,545.81
  6. Step 6: Final answer
    x = 956,235.44

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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.