Home / 2,881,728.10-3,976,677.21-1,658,222.56

Finding the Fourth Proportional to 2,881,728.10, 3,976,677.21 and 1,658,222.56

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Solution

The fourth proportional to 2,881,728.10, 3,976,677.21 and 1,658,222.56 is: 2,288,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,728.10 : 3,976,677.21 = 1,658,222.56 : x
  2. Step 2: Convert to fraction form
    2,881,728.10/3,976,677.21 = 1,658,222.56/x
  3. Step 3: Cross multiply
    2,881,728.10x = 3,976,677.21 × 1,658,222.56
  4. Step 4: Simplify right side
    2,881,728.10x = 6,594,215,863,459.86
  5. Step 5: Solve for x
    x = 6,594,215,863,459.86/2,881,728.10
  6. Step 6: Final answer
    x = 2,288,285.24

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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.