Home / 3,477,041.74-5,215,481.18-918,435.24

Finding the Fourth Proportional to 3,477,041.74, 5,215,481.18 and 918,435.24

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Solution

The fourth proportional to 3,477,041.74, 5,215,481.18 and 918,435.24 is: 1,377,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,041.74 : 5,215,481.18 = 918,435.24 : x
  2. Step 2: Convert to fraction form
    3,477,041.74/5,215,481.18 = 918,435.24/x
  3. Step 3: Cross multiply
    3,477,041.74x = 5,215,481.18 × 918,435.24
  4. Step 4: Simplify right side
    3,477,041.74x = 4,790,081,709,268.78
  5. Step 5: Solve for x
    x = 4,790,081,709,268.78/3,477,041.74
  6. Step 6: Final answer
    x = 1,377,631.35

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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.