Home / 2,182,341.86-3,011,725.24-1,215,472.40

Finding the Fourth Proportional to 2,182,341.86, 3,011,725.24 and 1,215,472.40

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Solution

The fourth proportional to 2,182,341.86, 3,011,725.24 and 1,215,472.40 is: 1,677,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,341.86 : 3,011,725.24 = 1,215,472.40 : x
  2. Step 2: Convert to fraction form
    2,182,341.86/3,011,725.24 = 1,215,472.40/x
  3. Step 3: Cross multiply
    2,182,341.86x = 3,011,725.24 × 1,215,472.40
  4. Step 4: Simplify right side
    2,182,341.86x = 3,660,668,905,603.38
  5. Step 5: Solve for x
    x = 3,660,668,905,603.38/2,182,341.86
  6. Step 6: Final answer
    x = 1,677,403.97

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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.