Home / 4,172,579.40-6,261,201.90-1,776,016.20

Finding the Fourth Proportional to 4,172,579.40, 6,261,201.90 and 1,776,016.20

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Solution

The fourth proportional to 4,172,579.40, 6,261,201.90 and 1,776,016.20 is: 2,665,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,579.40 : 6,261,201.90 = 1,776,016.20 : x
  2. Step 2: Convert to fraction form
    4,172,579.40/6,261,201.90 = 1,776,016.20/x
  3. Step 3: Cross multiply
    4,172,579.40x = 6,261,201.90 × 1,776,016.20
  4. Step 4: Simplify right side
    4,172,579.40x = 11,119,996,005,870.78
  5. Step 5: Solve for x
    x = 11,119,996,005,870.78/4,172,579.40
  6. Step 6: Final answer
    x = 2,665,017.23

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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.