Home / 5,312,334.78-7,331,006.79-2,897,869.50

Finding the Fourth Proportional to 5,312,334.78, 7,331,006.79 and 2,897,869.50

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Solution

The fourth proportional to 5,312,334.78, 7,331,006.79 and 2,897,869.50 is: 3,999,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,334.78 : 7,331,006.79 = 2,897,869.50 : x
  2. Step 2: Convert to fraction form
    5,312,334.78/7,331,006.79 = 2,897,869.50/x
  3. Step 3: Cross multiply
    5,312,334.78x = 7,331,006.79 × 2,897,869.50
  4. Step 4: Simplify right side
    5,312,334.78x = 21,244,300,981,033.91
  5. Step 5: Solve for x
    x = 21,244,300,981,033.91/5,312,334.78
  6. Step 6: Final answer
    x = 3,999,051.61

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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.