Home / 2,257,530.48-3,115,451.16-1,290,818.16

Finding the Fourth Proportional to 2,257,530.48, 3,115,451.16 and 1,290,818.16

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Solution

The fourth proportional to 2,257,530.48, 3,115,451.16 and 1,290,818.16 is: 1,781,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,530.48 : 3,115,451.16 = 1,290,818.16 : x
  2. Step 2: Convert to fraction form
    2,257,530.48/3,115,451.16 = 1,290,818.16/x
  3. Step 3: Cross multiply
    2,257,530.48x = 3,115,451.16 × 1,290,818.16
  4. Step 4: Simplify right side
    2,257,530.48x = 4,021,480,933,921.07
  5. Step 5: Solve for x
    x = 4,021,480,933,921.07/2,257,530.48
  6. Step 6: Final answer
    x = 1,781,362.85

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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.