Home / 2,298,870.81-3,172,540.13-1,280,275.56

Finding the Fourth Proportional to 2,298,870.81, 3,172,540.13 and 1,280,275.56

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Solution

The fourth proportional to 2,298,870.81, 3,172,540.13 and 1,280,275.56 is: 1,766,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298,870.81 : 3,172,540.13 = 1,280,275.56 : x
  2. Step 2: Convert to fraction form
    2,298,870.81/3,172,540.13 = 1,280,275.56/x
  3. Step 3: Cross multiply
    2,298,870.81x = 3,172,540.13 × 1,280,275.56
  4. Step 4: Simplify right side
    2,298,870.81x = 4,061,725,588,197.39
  5. Step 5: Solve for x
    x = 4,061,725,588,197.39/2,298,870.81
  6. Step 6: Final answer
    x = 1,766,835.08

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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.