Home / 3,240,146.40-4,471,315.40-1,789,810.62

Finding the Fourth Proportional to 3,240,146.40, 4,471,315.40 and 1,789,810.62

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Solution

The fourth proportional to 3,240,146.40, 4,471,315.40 and 1,789,810.62 is: 2,469,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,146.40 : 4,471,315.40 = 1,789,810.62 : x
  2. Step 2: Convert to fraction form
    3,240,146.40/4,471,315.40 = 1,789,810.62/x
  3. Step 3: Cross multiply
    3,240,146.40x = 4,471,315.40 × 1,789,810.62
  4. Step 4: Simplify right side
    3,240,146.40x = 8,002,807,779,340.49
  5. Step 5: Solve for x
    x = 8,002,807,779,340.49/3,240,146.40
  6. Step 6: Final answer
    x = 2,469,890.80

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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.