Home / 2,174,131.28-3,000,578.02-1,314,697.70

Finding the Fourth Proportional to 2,174,131.28, 3,000,578.02 and 1,314,697.70

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Solution

The fourth proportional to 2,174,131.28, 3,000,578.02 and 1,314,697.70 is: 1,814,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,131.28 : 3,000,578.02 = 1,314,697.70 : x
  2. Step 2: Convert to fraction form
    2,174,131.28/3,000,578.02 = 1,314,697.70/x
  3. Step 3: Cross multiply
    2,174,131.28x = 3,000,578.02 × 1,314,697.70
  4. Step 4: Simplify right side
    2,174,131.28x = 3,944,853,021,564.55
  5. Step 5: Solve for x
    x = 3,944,853,021,564.55/2,174,131.28
  6. Step 6: Final answer
    x = 1,814,450.24

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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.