Home / 2,791,310.79-4,187,547.23-872,144.45

Finding the Fourth Proportional to 2,791,310.79, 4,187,547.23 and 872,144.45

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Solution

The fourth proportional to 2,791,310.79, 4,187,547.23 and 872,144.45 is: 1,308,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,310.79 : 4,187,547.23 = 872,144.45 : x
  2. Step 2: Convert to fraction form
    2,791,310.79/4,187,547.23 = 872,144.45/x
  3. Step 3: Cross multiply
    2,791,310.79x = 4,187,547.23 × 872,144.45
  4. Step 4: Simplify right side
    2,791,310.79x = 3,652,146,050,458.92
  5. Step 5: Solve for x
    x = 3,652,146,050,458.92/2,791,310.79
  6. Step 6: Final answer
    x = 1,308,398.21

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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.