Home / 4,266,223.70-6,399,271.26-1,387,721.61

Finding the Fourth Proportional to 4,266,223.70, 6,399,271.26 and 1,387,721.61

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Solution

The fourth proportional to 4,266,223.70, 6,399,271.26 and 1,387,721.61 is: 2,081,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266,223.70 : 6,399,271.26 = 1,387,721.61 : x
  2. Step 2: Convert to fraction form
    4,266,223.70/6,399,271.26 = 1,387,721.61/x
  3. Step 3: Cross multiply
    4,266,223.70x = 6,399,271.26 × 1,387,721.61
  4. Step 4: Simplify right side
    4,266,223.70x = 8,880,407,015,753.93
  5. Step 5: Solve for x
    x = 8,880,407,015,753.93/4,266,223.70
  6. Step 6: Final answer
    x = 2,081,561.51

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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.