Home / 1,942,809.12-2,679,864.48-1,254,216.24

Finding the Fourth Proportional to 1,942,809.12, 2,679,864.48 and 1,254,216.24

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Solution

The fourth proportional to 1,942,809.12, 2,679,864.48 and 1,254,216.24 is: 1,730,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,809.12 : 2,679,864.48 = 1,254,216.24 : x
  2. Step 2: Convert to fraction form
    1,942,809.12/2,679,864.48 = 1,254,216.24/x
  3. Step 3: Cross multiply
    1,942,809.12x = 2,679,864.48 × 1,254,216.24
  4. Step 4: Simplify right side
    1,942,809.12x = 3,361,129,551,815.16
  5. Step 5: Solve for x
    x = 3,361,129,551,815.16/1,942,809.12
  6. Step 6: Final answer
    x = 1,730,035.91

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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.