Home / 4,138,363.80-5,707,706.72-2,688,526.37

Finding the Fourth Proportional to 4,138,363.80, 5,707,706.72 and 2,688,526.37

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Solution

The fourth proportional to 4,138,363.80, 5,707,706.72 and 2,688,526.37 is: 3,708,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,363.80 : 5,707,706.72 = 2,688,526.37 : x
  2. Step 2: Convert to fraction form
    4,138,363.80/5,707,706.72 = 2,688,526.37/x
  3. Step 3: Cross multiply
    4,138,363.80x = 5,707,706.72 × 2,688,526.37
  4. Step 4: Simplify right side
    4,138,363.80x = 15,345,320,029,772.84
  5. Step 5: Solve for x
    x = 15,345,320,029,772.84/4,138,363.80
  6. Step 6: Final answer
    x = 3,708,064.53

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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.