Home / 4,752,001.90-7,128,002.85-2,354,920.30

Finding the Fourth Proportional to 4,752,001.90, 7,128,002.85 and 2,354,920.30

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Solution

The fourth proportional to 4,752,001.90, 7,128,002.85 and 2,354,920.30 is: 3,532,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,001.90 : 7,128,002.85 = 2,354,920.30 : x
  2. Step 2: Convert to fraction form
    4,752,001.90/7,128,002.85 = 2,354,920.30/x
  3. Step 3: Cross multiply
    4,752,001.90x = 7,128,002.85 × 2,354,920.30
  4. Step 4: Simplify right side
    4,752,001.90x = 16,785,878,609,922.85
  5. Step 5: Solve for x
    x = 16,785,878,609,922.85/4,752,001.90
  6. Step 6: Final answer
    x = 3,532,380.45

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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.