Home / 2,108,712.61-2,910,238.23-1,520,495.92

Finding the Fourth Proportional to 2,108,712.61, 2,910,238.23 and 1,520,495.92

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Solution

The fourth proportional to 2,108,712.61, 2,910,238.23 and 1,520,495.92 is: 2,098,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,712.61 : 2,910,238.23 = 1,520,495.92 : x
  2. Step 2: Convert to fraction form
    2,108,712.61/2,910,238.23 = 1,520,495.92/x
  3. Step 3: Cross multiply
    2,108,712.61x = 2,910,238.23 × 1,520,495.92
  4. Step 4: Simplify right side
    2,108,712.61x = 4,425,005,354,943.02
  5. Step 5: Solve for x
    x = 4,425,005,354,943.02/2,108,712.61
  6. Step 6: Final answer
    x = 2,098,439.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.