Home / 3,776,790.10-5,666,859.60-1,979,246.20

Finding the Fourth Proportional to 3,776,790.10, 5,666,859.60 and 1,979,246.20

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Solution

The fourth proportional to 3,776,790.10, 5,666,859.60 and 1,979,246.20 is: 2,969,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,790.10 : 5,666,859.60 = 1,979,246.20 : x
  2. Step 2: Convert to fraction form
    3,776,790.10/5,666,859.60 = 1,979,246.20/x
  3. Step 3: Cross multiply
    3,776,790.10x = 5,666,859.60 × 1,979,246.20
  4. Step 4: Simplify right side
    3,776,790.10x = 11,216,110,329,233.52
  5. Step 5: Solve for x
    x = 11,216,110,329,233.52/3,776,790.10
  6. Step 6: Final answer
    x = 2,969,746.80

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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.