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Finding the Fourth Proportional to 1,816,223.90, 2,724,919.05 and 804,955.10

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Solution

The fourth proportional to 1,816,223.90, 2,724,919.05 and 804,955.10 is: 1,207,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,223.90 : 2,724,919.05 = 804,955.10 : x
  2. Step 2: Convert to fraction form
    1,816,223.90/2,724,919.05 = 804,955.10/x
  3. Step 3: Cross multiply
    1,816,223.90x = 2,724,919.05 × 804,955.10
  4. Step 4: Simplify right side
    1,816,223.90x = 2,193,437,486,384.65
  5. Step 5: Solve for x
    x = 2,193,437,486,384.65/1,816,223.90
  6. Step 6: Final answer
    x = 1,207,691.13

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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.