Home / 2,578,680.90-3,868,021.35-2,358,231.30

Finding the Fourth Proportional to 2,578,680.90, 3,868,021.35 and 2,358,231.30

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Solution

The fourth proportional to 2,578,680.90, 3,868,021.35 and 2,358,231.30 is: 3,537,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,680.90 : 3,868,021.35 = 2,358,231.30 : x
  2. Step 2: Convert to fraction form
    2,578,680.90/3,868,021.35 = 2,358,231.30/x
  3. Step 3: Cross multiply
    2,578,680.90x = 3,868,021.35 × 2,358,231.30
  4. Step 4: Simplify right side
    2,578,680.90x = 9,121,689,016,638.25
  5. Step 5: Solve for x
    x = 9,121,689,016,638.25/2,578,680.90
  6. Step 6: Final answer
    x = 3,537,346.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.