Home / 1,666,753.90-2,497,178.40-1,412,843.20

Finding the Fourth Proportional to 1,666,753.90, 2,497,178.40 and 1,412,843.20

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Solution

The fourth proportional to 1,666,753.90, 2,497,178.40 and 1,412,843.20 is: 2,116,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,753.90 : 2,497,178.40 = 1,412,843.20 : x
  2. Step 2: Convert to fraction form
    1,666,753.90/2,497,178.40 = 1,412,843.20/x
  3. Step 3: Cross multiply
    1,666,753.90x = 2,497,178.40 × 1,412,843.20
  4. Step 4: Simplify right side
    1,666,753.90x = 3,528,121,521,626.88
  5. Step 5: Solve for x
    x = 3,528,121,521,626.88/1,666,753.90
  6. Step 6: Final answer
    x = 2,116,762.12

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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.