Home / 2,379,016.63-3,283,045.60-1,291,287.91

Finding the Fourth Proportional to 2,379,016.63, 3,283,045.60 and 1,291,287.91

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Solution

The fourth proportional to 2,379,016.63, 3,283,045.60 and 1,291,287.91 is: 1,781,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,016.63 : 3,283,045.60 = 1,291,287.91 : x
  2. Step 2: Convert to fraction form
    2,379,016.63/3,283,045.60 = 1,291,287.91/x
  3. Step 3: Cross multiply
    2,379,016.63x = 3,283,045.60 × 1,291,287.91
  4. Step 4: Simplify right side
    2,379,016.63x = 4,239,357,092,031.49
  5. Step 5: Solve for x
    x = 4,239,357,092,031.49/2,379,016.63
  6. Step 6: Final answer
    x = 1,781,978.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.