Home / 4,752,155.70-7,128,233.55-2,512,667.70

Finding the Fourth Proportional to 4,752,155.70, 7,128,233.55 and 2,512,667.70

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Solution

The fourth proportional to 4,752,155.70, 7,128,233.55 and 2,512,667.70 is: 3,769,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,155.70 : 7,128,233.55 = 2,512,667.70 : x
  2. Step 2: Convert to fraction form
    4,752,155.70/7,128,233.55 = 2,512,667.70/x
  3. Step 3: Cross multiply
    4,752,155.70x = 7,128,233.55 × 2,512,667.70
  4. Step 4: Simplify right side
    4,752,155.70x = 17,910,882,199,141.34
  5. Step 5: Solve for x
    x = 17,910,882,199,141.34/4,752,155.70
  6. Step 6: Final answer
    x = 3,769,001.55

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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.