Home / 4,752,001.70-7,128,002.55-2,512,513.70

Finding the Fourth Proportional to 4,752,001.70, 7,128,002.55 and 2,512,513.70

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Solution

The fourth proportional to 4,752,001.70, 7,128,002.55 and 2,512,513.70 is: 3,768,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,001.70 : 7,128,002.55 = 2,512,513.70 : x
  2. Step 2: Convert to fraction form
    4,752,001.70/7,128,002.55 = 2,512,513.70/x
  3. Step 3: Cross multiply
    4,752,001.70x = 7,128,002.55 × 2,512,513.70
  4. Step 4: Simplify right side
    4,752,001.70x = 17,909,204,060,509.94
  5. Step 5: Solve for x
    x = 17,909,204,060,509.94/4,752,001.70
  6. Step 6: Final answer
    x = 3,768,770.55

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1.5x scale

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.