Home / 2,739,435.15-3,780,531.93-1,515,720.78

Finding the Fourth Proportional to 2,739,435.15, 3,780,531.93 and 1,515,720.78

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Solution

The fourth proportional to 2,739,435.15, 3,780,531.93 and 1,515,720.78 is: 2,091,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,435.15 : 3,780,531.93 = 1,515,720.78 : x
  2. Step 2: Convert to fraction form
    2,739,435.15/3,780,531.93 = 1,515,720.78/x
  3. Step 3: Cross multiply
    2,739,435.15x = 3,780,531.93 × 1,515,720.78
  4. Step 4: Simplify right side
    2,739,435.15x = 5,730,230,805,754.51
  5. Step 5: Solve for x
    x = 5,730,230,805,754.51/2,739,435.15
  6. Step 6: Final answer
    x = 2,091,756.33

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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.