Home / 3,840,688-5,300,149.44-2,231,159.68

Finding the Fourth Proportional to 3,840,688, 5,300,149.44 and 2,231,159.68

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Solution

The fourth proportional to 3,840,688, 5,300,149.44 and 2,231,159.68 is: 3,079,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,688 : 5,300,149.44 = 2,231,159.68 : x
  2. Step 2: Convert to fraction form
    3,840,688/5,300,149.44 = 2,231,159.68/x
  3. Step 3: Cross multiply
    3,840,688x = 5,300,149.44 × 2,231,159.68
  4. Step 4: Simplify right side
    3,840,688x = 11,825,479,728,502.58
  5. Step 5: Solve for x
    x = 11,825,479,728,502.58/3,840,688
  6. Step 6: Final answer
    x = 3,079,000.36

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1.5x scale

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.