Home / 2,893,317.80-4,340,156.88-763,404.12

Finding the Fourth Proportional to 2,893,317.80, 4,340,156.88 and 763,404.12

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Solution

The fourth proportional to 2,893,317.80, 4,340,156.88 and 763,404.12 is: 1,145,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893,317.80 : 4,340,156.88 = 763,404.12 : x
  2. Step 2: Convert to fraction form
    2,893,317.80/4,340,156.88 = 763,404.12/x
  3. Step 3: Cross multiply
    2,893,317.80x = 4,340,156.88 × 763,404.12
  4. Step 4: Simplify right side
    2,893,317.80x = 3,313,293,643,638.35
  5. Step 5: Solve for x
    x = 3,313,293,643,638.35/2,893,317.80
  6. Step 6: Final answer
    x = 1,145,153.72

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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.