Home / 2,191,048.40-3,287,033.40-1,243,643.60

Finding the Fourth Proportional to 2,191,048.40, 3,287,033.40 and 1,243,643.60

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Solution

The fourth proportional to 2,191,048.40, 3,287,033.40 and 1,243,643.60 is: 1,865,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,048.40 : 3,287,033.40 = 1,243,643.60 : x
  2. Step 2: Convert to fraction form
    2,191,048.40/3,287,033.40 = 1,243,643.60/x
  3. Step 3: Cross multiply
    2,191,048.40x = 3,287,033.40 × 1,243,643.60
  4. Step 4: Simplify right side
    2,191,048.40x = 4,087,898,050,896.24
  5. Step 5: Solve for x
    x = 4,087,898,050,896.24/2,191,048.40
  6. Step 6: Final answer
    x = 1,865,726.95

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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.