Home / 5,267,636.92-7,901,397.78-1,278,548.92

Finding the Fourth Proportional to 5,267,636.92, 7,901,397.78 and 1,278,548.92

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Solution

The fourth proportional to 5,267,636.92, 7,901,397.78 and 1,278,548.92 is: 1,917,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267,636.92 : 7,901,397.78 = 1,278,548.92 : x
  2. Step 2: Convert to fraction form
    5,267,636.92/7,901,397.78 = 1,278,548.92/x
  3. Step 3: Cross multiply
    5,267,636.92x = 7,901,397.78 × 1,278,548.92
  4. Step 4: Simplify right side
    5,267,636.92x = 10,102,323,598,109.40
  5. Step 5: Solve for x
    x = 10,102,323,598,109.40/5,267,636.92
  6. Step 6: Final answer
    x = 1,917,809.40

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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.