Home / 2,857,548.26-4,280,564.28-1,898,543.90

Finding the Fourth Proportional to 2,857,548.26, 4,280,564.28 and 1,898,543.90

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Solution

The fourth proportional to 2,857,548.26, 4,280,564.28 and 1,898,543.90 is: 2,843,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,548.26 : 4,280,564.28 = 1,898,543.90 : x
  2. Step 2: Convert to fraction form
    2,857,548.26/4,280,564.28 = 1,898,543.90/x
  3. Step 3: Cross multiply
    2,857,548.26x = 4,280,564.28 × 1,898,543.90
  4. Step 4: Simplify right side
    2,857,548.26x = 8,126,839,202,351.89
  5. Step 5: Solve for x
    x = 8,126,839,202,351.89/2,857,548.26
  6. Step 6: Final answer
    x = 2,843,990.18

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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.