Home / 1,455,110.10-2,182,665.15-1,329,138.90

Finding the Fourth Proportional to 1,455,110.10, 2,182,665.15 and 1,329,138.90

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Solution

The fourth proportional to 1,455,110.10, 2,182,665.15 and 1,329,138.90 is: 1,993,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,110.10 : 2,182,665.15 = 1,329,138.90 : x
  2. Step 2: Convert to fraction form
    1,455,110.10/2,182,665.15 = 1,329,138.90/x
  3. Step 3: Cross multiply
    1,455,110.10x = 2,182,665.15 × 1,329,138.90
  4. Step 4: Simplify right side
    1,455,110.10x = 2,901,065,156,539.33
  5. Step 5: Solve for x
    x = 2,901,065,156,539.33/1,455,110.10
  6. Step 6: Final answer
    x = 1,993,708.35

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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.