Home / 2,810,211.78-4,215,328.47-680,292.48

Finding the Fourth Proportional to 2,810,211.78, 4,215,328.47 and 680,292.48

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Solution

The fourth proportional to 2,810,211.78, 4,215,328.47 and 680,292.48 is: 1,020,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,211.78 : 4,215,328.47 = 680,292.48 : x
  2. Step 2: Convert to fraction form
    2,810,211.78/4,215,328.47 = 680,292.48/x
  3. Step 3: Cross multiply
    2,810,211.78x = 4,215,328.47 × 680,292.48
  4. Step 4: Simplify right side
    2,810,211.78x = 2,867,656,258,870.91
  5. Step 5: Solve for x
    x = 2,867,656,258,870.91/2,810,211.78
  6. Step 6: Final answer
    x = 1,020,441.33

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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.