Home / 2,257,006.75-3,114,669.51-1,290,158.15

Finding the Fourth Proportional to 2,257,006.75, 3,114,669.51 and 1,290,158.15

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Solution

The fourth proportional to 2,257,006.75, 3,114,669.51 and 1,290,158.15 is: 1,780,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,006.75 : 3,114,669.51 = 1,290,158.15 : x
  2. Step 2: Convert to fraction form
    2,257,006.75/3,114,669.51 = 1,290,158.15/x
  3. Step 3: Cross multiply
    2,257,006.75x = 3,114,669.51 × 1,290,158.15
  4. Step 4: Simplify right side
    2,257,006.75x = 4,018,416,237,309.66
  5. Step 5: Solve for x
    x = 4,018,416,237,309.66/2,257,006.75
  6. Step 6: Final answer
    x = 1,780,418.35

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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.