Home / 3,018,278.91-4,165,221.90-1,729,124.43

Finding the Fourth Proportional to 3,018,278.91, 4,165,221.90 and 1,729,124.43

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Solution

The fourth proportional to 3,018,278.91, 4,165,221.90 and 1,729,124.43 is: 2,386,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,278.91 : 4,165,221.90 = 1,729,124.43 : x
  2. Step 2: Convert to fraction form
    3,018,278.91/4,165,221.90 = 1,729,124.43/x
  3. Step 3: Cross multiply
    3,018,278.91x = 4,165,221.90 × 1,729,124.43
  4. Step 4: Simplify right side
    3,018,278.91x = 7,202,186,943,661.02
  5. Step 5: Solve for x
    x = 7,202,186,943,661.02/3,018,278.91
  6. Step 6: Final answer
    x = 2,386,190.00

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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.