Home / 4,752,002.30-7,128,003.45-1,761,352.70

Finding the Fourth Proportional to 4,752,002.30, 7,128,003.45 and 1,761,352.70

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Solution

The fourth proportional to 4,752,002.30, 7,128,003.45 and 1,761,352.70 is: 2,642,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,002.30 : 7,128,003.45 = 1,761,352.70 : x
  2. Step 2: Convert to fraction form
    4,752,002.30/7,128,003.45 = 1,761,352.70/x
  3. Step 3: Cross multiply
    4,752,002.30x = 7,128,003.45 × 1,761,352.70
  4. Step 4: Simplify right side
    4,752,002.30x = 12,554,928,122,266.81
  5. Step 5: Solve for x
    x = 12,554,928,122,266.81/4,752,002.30
  6. Step 6: Final answer
    x = 2,642,029.05

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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.