Home / 2,551,126.77-3,520,524.77-1,389,569.39

Finding the Fourth Proportional to 2,551,126.77, 3,520,524.77 and 1,389,569.39

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Solution

The fourth proportional to 2,551,126.77, 3,520,524.77 and 1,389,569.39 is: 1,917,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,126.77 : 3,520,524.77 = 1,389,569.39 : x
  2. Step 2: Convert to fraction form
    2,551,126.77/3,520,524.77 = 1,389,569.39/x
  3. Step 3: Cross multiply
    2,551,126.77x = 3,520,524.77 × 1,389,569.39
  4. Step 4: Simplify right side
    2,551,126.77x = 4,892,013,432,578.32
  5. Step 5: Solve for x
    x = 4,892,013,432,578.32/2,551,126.77
  6. Step 6: Final answer
    x = 1,917,589.31

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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.