Home / 3,438,240.36-5,157,354.90-913,895.64

Finding the Fourth Proportional to 3,438,240.36, 5,157,354.90 and 913,895.64

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Solution

The fourth proportional to 3,438,240.36, 5,157,354.90 and 913,895.64 is: 1,370,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,240.36 : 5,157,354.90 = 913,895.64 : x
  2. Step 2: Convert to fraction form
    3,438,240.36/5,157,354.90 = 913,895.64/x
  3. Step 3: Cross multiply
    3,438,240.36x = 5,157,354.90 × 913,895.64
  4. Step 4: Simplify right side
    3,438,240.36x = 4,713,284,157,042.64
  5. Step 5: Solve for x
    x = 4,713,284,157,042.64/3,438,240.36
  6. Step 6: Final answer
    x = 1,370,841.96

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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.