Home / 2,652,456.85-3,979,461.53-855,303.91

Finding the Fourth Proportional to 2,652,456.85, 3,979,461.53 and 855,303.91

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Solution

The fourth proportional to 2,652,456.85, 3,979,461.53 and 855,303.91 is: 1,283,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,456.85 : 3,979,461.53 = 855,303.91 : x
  2. Step 2: Convert to fraction form
    2,652,456.85/3,979,461.53 = 855,303.91/x
  3. Step 3: Cross multiply
    2,652,456.85x = 3,979,461.53 × 855,303.91
  4. Step 4: Simplify right side
    2,652,456.85x = 3,403,649,006,303.58
  5. Step 5: Solve for x
    x = 3,403,649,006,303.58/2,652,456.85
  6. Step 6: Final answer
    x = 1,283,206.17

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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.