Home / 1,405,819.90-2,108,729.85-1,337,007.10

Finding the Fourth Proportional to 1,405,819.90, 2,108,729.85 and 1,337,007.10

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Solution

The fourth proportional to 1,405,819.90, 2,108,729.85 and 1,337,007.10 is: 2,005,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,819.90 : 2,108,729.85 = 1,337,007.10 : x
  2. Step 2: Convert to fraction form
    1,405,819.90/2,108,729.85 = 1,337,007.10/x
  3. Step 3: Cross multiply
    1,405,819.90x = 2,108,729.85 × 1,337,007.10
  4. Step 4: Simplify right side
    1,405,819.90x = 2,819,386,781,431.94
  5. Step 5: Solve for x
    x = 2,819,386,781,431.94/1,405,819.90
  6. Step 6: Final answer
    x = 2,005,510.65

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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.