Home / 2,913,105.50-4,369,658.26-918,561.50

Finding the Fourth Proportional to 2,913,105.50, 4,369,658.26 and 918,561.50

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Solution

The fourth proportional to 2,913,105.50, 4,369,658.26 and 918,561.50 is: 1,377,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,105.50 : 4,369,658.26 = 918,561.50 : x
  2. Step 2: Convert to fraction form
    2,913,105.50/4,369,658.26 = 918,561.50/x
  3. Step 3: Cross multiply
    2,913,105.50x = 4,369,658.26 × 918,561.50
  4. Step 4: Simplify right side
    2,913,105.50x = 4,013,799,845,792.99
  5. Step 5: Solve for x
    x = 4,013,799,845,792.99/2,913,105.50
  6. Step 6: Final answer
    x = 1,377,842.25

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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.