Home / 4,752,341.70-7,128,512.55-1,556,697.30

Finding the Fourth Proportional to 4,752,341.70, 7,128,512.55 and 1,556,697.30

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Solution

The fourth proportional to 4,752,341.70, 7,128,512.55 and 1,556,697.30 is: 2,335,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,341.70 : 7,128,512.55 = 1,556,697.30 : x
  2. Step 2: Convert to fraction form
    4,752,341.70/7,128,512.55 = 1,556,697.30/x
  3. Step 3: Cross multiply
    4,752,341.70x = 7,128,512.55 × 1,556,697.30
  4. Step 4: Simplify right side
    4,752,341.70x = 11,096,936,239,601.12
  5. Step 5: Solve for x
    x = 11,096,936,239,601.12/4,752,341.70
  6. Step 6: Final answer
    x = 2,335,045.95

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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.