Home / 2,118,238.32-3,176,359.02-769,450.08

Finding the Fourth Proportional to 2,118,238.32, 3,176,359.02 and 769,450.08

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Solution

The fourth proportional to 2,118,238.32, 3,176,359.02 and 769,450.08 is: 1,153,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,238.32 : 3,176,359.02 = 769,450.08 : x
  2. Step 2: Convert to fraction form
    2,118,238.32/3,176,359.02 = 769,450.08/x
  3. Step 3: Cross multiply
    2,118,238.32x = 3,176,359.02 × 769,450.08
  4. Step 4: Simplify right side
    2,118,238.32x = 2,444,049,702,047.72
  5. Step 5: Solve for x
    x = 2,444,049,702,047.72/2,118,238.32
  6. Step 6: Final answer
    x = 1,153,812.43

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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.