Home / 2,761,040.41-4,142,009.38-815,966.35

Finding the Fourth Proportional to 2,761,040.41, 4,142,009.38 and 815,966.35

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Solution

The fourth proportional to 2,761,040.41, 4,142,009.38 and 815,966.35 is: 1,224,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,040.41 : 4,142,009.38 = 815,966.35 : x
  2. Step 2: Convert to fraction form
    2,761,040.41/4,142,009.38 = 815,966.35/x
  3. Step 3: Cross multiply
    2,761,040.41x = 4,142,009.38 × 815,966.35
  4. Step 4: Simplify right side
    2,761,040.41x = 3,379,740,287,898.16
  5. Step 5: Solve for x
    x = 3,379,740,287,898.16/2,761,040.41
  6. Step 6: Final answer
    x = 1,224,082.15

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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.