Home / 2,115,974.40-3,174,253.20-767,810.40

Finding the Fourth Proportional to 2,115,974.40, 3,174,253.20 and 767,810.40

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Solution

The fourth proportional to 2,115,974.40, 3,174,253.20 and 767,810.40 is: 1,151,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,974.40 : 3,174,253.20 = 767,810.40 : x
  2. Step 2: Convert to fraction form
    2,115,974.40/3,174,253.20 = 767,810.40/x
  3. Step 3: Cross multiply
    2,115,974.40x = 3,174,253.20 × 767,810.40
  4. Step 4: Simplify right side
    2,115,974.40x = 2,437,224,619,193.28
  5. Step 5: Solve for x
    x = 2,437,224,619,193.28/2,115,974.40
  6. Step 6: Final answer
    x = 1,151,821.41

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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.