Home / 3,314,645.15-4,972,074.64-918,512.87

Finding the Fourth Proportional to 3,314,645.15, 4,972,074.64 and 918,512.87

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Solution

The fourth proportional to 3,314,645.15, 4,972,074.64 and 918,512.87 is: 1,377,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,645.15 : 4,972,074.64 = 918,512.87 : x
  2. Step 2: Convert to fraction form
    3,314,645.15/4,972,074.64 = 918,512.87/x
  3. Step 3: Cross multiply
    3,314,645.15x = 4,972,074.64 × 918,512.87
  4. Step 4: Simplify right side
    3,314,645.15x = 4,566,914,520,283.96
  5. Step 5: Solve for x
    x = 4,566,914,520,283.96/3,314,645.15
  6. Step 6: Final answer
    x = 1,377,798.93

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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.