Home / 3,826,876.32-5,281,128.48-2,108,040

Finding the Fourth Proportional to 3,826,876.32, 5,281,128.48 and 2,108,040

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Solution

The fourth proportional to 3,826,876.32, 5,281,128.48 and 2,108,040 is: 2,909,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,876.32 : 5,281,128.48 = 2,108,040 : x
  2. Step 2: Convert to fraction form
    3,826,876.32/5,281,128.48 = 2,108,040/x
  3. Step 3: Cross multiply
    3,826,876.32x = 5,281,128.48 × 2,108,040
  4. Step 4: Simplify right side
    3,826,876.32x = 11,132,830,080,979.20
  5. Step 5: Solve for x
    x = 11,132,830,080,979.20/3,826,876.32
  6. Step 6: Final answer
    x = 2,909,116.77

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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.