Home / 3,964,730-5,471,332.26-2,153,894

Finding the Fourth Proportional to 3,964,730, 5,471,332.26 and 2,153,894

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Solution

The fourth proportional to 3,964,730, 5,471,332.26 and 2,153,894 is: 2,972,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,730 : 5,471,332.26 = 2,153,894 : x
  2. Step 2: Convert to fraction form
    3,964,730/5,471,332.26 = 2,153,894/x
  3. Step 3: Cross multiply
    3,964,730x = 5,471,332.26 × 2,153,894
  4. Step 4: Simplify right side
    3,964,730x = 11,784,669,726,820.44
  5. Step 5: Solve for x
    x = 11,784,669,726,820.44/3,964,730
  6. Step 6: Final answer
    x = 2,972,376.36

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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.