Home / 2,912,752.70-4,369,129.05-1,904,983.10

Finding the Fourth Proportional to 2,912,752.70, 4,369,129.05 and 1,904,983.10

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Solution

The fourth proportional to 2,912,752.70, 4,369,129.05 and 1,904,983.10 is: 2,857,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,752.70 : 4,369,129.05 = 1,904,983.10 : x
  2. Step 2: Convert to fraction form
    2,912,752.70/4,369,129.05 = 1,904,983.10/x
  3. Step 3: Cross multiply
    2,912,752.70x = 4,369,129.05 × 1,904,983.10
  4. Step 4: Simplify right side
    2,912,752.70x = 8,323,117,001,969.06
  5. Step 5: Solve for x
    x = 8,323,117,001,969.06/2,912,752.70
  6. Step 6: Final answer
    x = 2,857,474.65

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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.