Home / 1,876,864.50-2,815,518.19-1,406,539.22

Finding the Fourth Proportional to 1,876,864.50, 2,815,518.19 and 1,406,539.22

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Solution

The fourth proportional to 1,876,864.50, 2,815,518.19 and 1,406,539.22 is: 2,109,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,864.50 : 2,815,518.19 = 1,406,539.22 : x
  2. Step 2: Convert to fraction form
    1,876,864.50/2,815,518.19 = 1,406,539.22/x
  3. Step 3: Cross multiply
    1,876,864.50x = 2,815,518.19 × 1,406,539.22
  4. Step 4: Simplify right side
    1,876,864.50x = 3,960,136,758,858.41
  5. Step 5: Solve for x
    x = 3,960,136,758,858.41/1,876,864.50
  6. Step 6: Final answer
    x = 2,109,974.78

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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.