Home / 5,187,856-7,781,818.56-1,642,000

Finding the Fourth Proportional to 5,187,856, 7,781,818.56 and 1,642,000

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Solution

The fourth proportional to 5,187,856, 7,781,818.56 and 1,642,000 is: 2,463,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,856 : 7,781,818.56 = 1,642,000 : x
  2. Step 2: Convert to fraction form
    5,187,856/7,781,818.56 = 1,642,000/x
  3. Step 3: Cross multiply
    5,187,856x = 7,781,818.56 × 1,642,000
  4. Step 4: Simplify right side
    5,187,856x = 12,777,746,075,520
  5. Step 5: Solve for x
    x = 12,777,746,075,520/5,187,856
  6. Step 6: Final answer
    x = 2,463,010.94

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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.