Home / 5,141,403.40-7,712,105.10-1,946,633.80

Finding the Fourth Proportional to 5,141,403.40, 7,712,105.10 and 1,946,633.80

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Solution

The fourth proportional to 5,141,403.40, 7,712,105.10 and 1,946,633.80 is: 2,919,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141,403.40 : 7,712,105.10 = 1,946,633.80 : x
  2. Step 2: Convert to fraction form
    5,141,403.40/7,712,105.10 = 1,946,633.80/x
  3. Step 3: Cross multiply
    5,141,403.40x = 7,712,105.10 × 1,946,633.80
  4. Step 4: Simplify right side
    5,141,403.40x = 15,012,644,456,812.38
  5. Step 5: Solve for x
    x = 15,012,644,456,812.38/5,141,403.40
  6. Step 6: Final answer
    x = 2,919,950.70

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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.