Home / 2,970,281.27-4,454,701.72-811,316.49

Finding the Fourth Proportional to 2,970,281.27, 4,454,701.72 and 811,316.49

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Solution

The fourth proportional to 2,970,281.27, 4,454,701.72 and 811,316.49 is: 1,216,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,281.27 : 4,454,701.72 = 811,316.49 : x
  2. Step 2: Convert to fraction form
    2,970,281.27/4,454,701.72 = 811,316.49/x
  3. Step 3: Cross multiply
    2,970,281.27x = 4,454,701.72 × 811,316.49
  4. Step 4: Simplify right side
    2,970,281.27x = 3,614,172,944,733.94
  5. Step 5: Solve for x
    x = 3,614,172,944,733.94/2,970,281.27
  6. Step 6: Final answer
    x = 1,216,778.01

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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.