Home / 2,739,139.61-3,781,223.43-1,636,959.98

Finding the Fourth Proportional to 2,739,139.61, 3,781,223.43 and 1,636,959.98

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Solution

The fourth proportional to 2,739,139.61, 3,781,223.43 and 1,636,959.98 is: 2,259,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,139.61 : 3,781,223.43 = 1,636,959.98 : x
  2. Step 2: Convert to fraction form
    2,739,139.61/3,781,223.43 = 1,636,959.98/x
  3. Step 3: Cross multiply
    2,739,139.61x = 3,781,223.43 × 1,636,959.98
  4. Step 4: Simplify right side
    2,739,139.61x = 6,189,711,430,348.33
  5. Step 5: Solve for x
    x = 6,189,711,430,348.33/2,739,139.61
  6. Step 6: Final answer
    x = 2,259,728.35

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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.