Home / 2,988,655-4,124,344.86-1,915,567

Finding the Fourth Proportional to 2,988,655, 4,124,344.86 and 1,915,567

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Solution

The fourth proportional to 2,988,655, 4,124,344.86 and 1,915,567 is: 2,643,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,655 : 4,124,344.86 = 1,915,567 : x
  2. Step 2: Convert to fraction form
    2,988,655/4,124,344.86 = 1,915,567/x
  3. Step 3: Cross multiply
    2,988,655x = 4,124,344.86 × 1,915,567
  4. Step 4: Simplify right side
    2,988,655x = 7,900,458,910,435.62
  5. Step 5: Solve for x
    x = 7,900,458,910,435.62/2,988,655
  6. Step 6: Final answer
    x = 2,643,483.08

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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.