Home / 2,838,578.76-3,917,312.82-1,549,538.28

Finding the Fourth Proportional to 2,838,578.76, 3,917,312.82 and 1,549,538.28

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Solution

The fourth proportional to 2,838,578.76, 3,917,312.82 and 1,549,538.28 is: 2,138,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,578.76 : 3,917,312.82 = 1,549,538.28 : x
  2. Step 2: Convert to fraction form
    2,838,578.76/3,917,312.82 = 1,549,538.28/x
  3. Step 3: Cross multiply
    2,838,578.76x = 3,917,312.82 × 1,549,538.28
  4. Step 4: Simplify right side
    2,838,578.76x = 6,070,026,169,324.75
  5. Step 5: Solve for x
    x = 6,070,026,169,324.75/2,838,578.76
  6. Step 6: Final answer
    x = 2,138,403.29

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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.