Home / 4,752,000.70-7,128,001.05-2,512,512.70

Finding the Fourth Proportional to 4,752,000.70, 7,128,001.05 and 2,512,512.70

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Solution

The fourth proportional to 4,752,000.70, 7,128,001.05 and 2,512,512.70 is: 3,768,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,000.70 : 7,128,001.05 = 2,512,512.70 : x
  2. Step 2: Convert to fraction form
    4,752,000.70/7,128,001.05 = 2,512,512.70/x
  3. Step 3: Cross multiply
    4,752,000.70x = 7,128,001.05 × 2,512,512.70
  4. Step 4: Simplify right side
    4,752,000.70x = 17,909,193,163,738.34
  5. Step 5: Solve for x
    x = 17,909,193,163,738.34/4,752,000.70
  6. Step 6: Final answer
    x = 3,768,769.05

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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.