Home / 4,227,340.50-6,339,678.75-1,386,790.74

Finding the Fourth Proportional to 4,227,340.50, 6,339,678.75 and 1,386,790.74

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Solution

The fourth proportional to 4,227,340.50, 6,339,678.75 and 1,386,790.74 is: 2,079,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227,340.50 : 6,339,678.75 = 1,386,790.74 : x
  2. Step 2: Convert to fraction form
    4,227,340.50/6,339,678.75 = 1,386,790.74/x
  3. Step 3: Cross multiply
    4,227,340.50x = 6,339,678.75 × 1,386,790.74
  4. Step 4: Simplify right side
    4,227,340.50x = 8,791,807,785,074.78
  5. Step 5: Solve for x
    x = 8,791,807,785,074.78/4,227,340.50
  6. Step 6: Final answer
    x = 2,079,749.14

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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.