Home / 2,117,974.89-3,176,193.27-1,159,139.13

Finding the Fourth Proportional to 2,117,974.89, 3,176,193.27 and 1,159,139.13

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Solution

The fourth proportional to 2,117,974.89, 3,176,193.27 and 1,159,139.13 is: 1,738,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,974.89 : 3,176,193.27 = 1,159,139.13 : x
  2. Step 2: Convert to fraction form
    2,117,974.89/3,176,193.27 = 1,159,139.13/x
  3. Step 3: Cross multiply
    2,117,974.89x = 3,176,193.27 × 1,159,139.13
  4. Step 4: Simplify right side
    2,117,974.89x = 3,681,649,903,699.66
  5. Step 5: Solve for x
    x = 3,681,649,903,699.66/2,117,974.89
  6. Step 6: Final answer
    x = 1,738,287.80

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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.