Home / 2,145,217.04-3,217,823.70-547,780.40

Finding the Fourth Proportional to 2,145,217.04, 3,217,823.70 and 547,780.40

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Solution

The fourth proportional to 2,145,217.04, 3,217,823.70 and 547,780.40 is: 821,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,217.04 : 3,217,823.70 = 547,780.40 : x
  2. Step 2: Convert to fraction form
    2,145,217.04/3,217,823.70 = 547,780.40/x
  3. Step 3: Cross multiply
    2,145,217.04x = 3,217,823.70 × 547,780.40
  4. Step 4: Simplify right side
    2,145,217.04x = 1,762,660,753,515.48
  5. Step 5: Solve for x
    x = 1,762,660,753,515.48/2,145,217.04
  6. Step 6: Final answer
    x = 821,670.13

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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.