Home / 2,257,646.59-3,115,554.41-1,290,797.13

Finding the Fourth Proportional to 2,257,646.59, 3,115,554.41 and 1,290,797.13

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Solution

The fourth proportional to 2,257,646.59, 3,115,554.41 and 1,290,797.13 is: 1,781,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,646.59 : 3,115,554.41 = 1,290,797.13 : x
  2. Step 2: Convert to fraction form
    2,257,646.59/3,115,554.41 = 1,290,797.13/x
  3. Step 3: Cross multiply
    2,257,646.59x = 3,115,554.41 × 1,290,797.13
  4. Step 4: Simplify right side
    2,257,646.59x = 4,021,548,688,922.77
  5. Step 5: Solve for x
    x = 4,021,548,688,922.77/2,257,646.59
  6. Step 6: Final answer
    x = 1,781,301.25

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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.