Home / 6,438,601.08-8,885,763.69-3,686,151.81

Finding the Fourth Proportional to 6,438,601.08, 8,885,763.69 and 3,686,151.81

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Solution

The fourth proportional to 6,438,601.08, 8,885,763.69 and 3,686,151.81 is: 5,087,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,601.08 : 8,885,763.69 = 3,686,151.81 : x
  2. Step 2: Convert to fraction form
    6,438,601.08/8,885,763.69 = 3,686,151.81/x
  3. Step 3: Cross multiply
    6,438,601.08x = 8,885,763.69 × 3,686,151.81
  4. Step 4: Simplify right side
    6,438,601.08x = 32,754,273,909,125.78
  5. Step 5: Solve for x
    x = 32,754,273,909,125.78/6,438,601.08
  6. Step 6: Final answer
    x = 5,087,172.43

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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.