Home / 2,739,444.20-3,780,544.32-1,515,729.80

Finding the Fourth Proportional to 2,739,444.20, 3,780,544.32 and 1,515,729.80

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Solution

The fourth proportional to 2,739,444.20, 3,780,544.32 and 1,515,729.80 is: 2,091,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,444.20 : 3,780,544.32 = 1,515,729.80 : x
  2. Step 2: Convert to fraction form
    2,739,444.20/3,780,544.32 = 1,515,729.80/x
  3. Step 3: Cross multiply
    2,739,444.20x = 3,780,544.32 × 1,515,729.80
  4. Step 4: Simplify right side
    2,739,444.20x = 5,730,283,686,044.74
  5. Step 5: Solve for x
    x = 5,730,283,686,044.74/2,739,444.20
  6. Step 6: Final answer
    x = 2,091,768.72

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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.