Home / 2,680,751.40-4,020,738.30-787,295.40

Finding the Fourth Proportional to 2,680,751.40, 4,020,738.30 and 787,295.40

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Solution

The fourth proportional to 2,680,751.40, 4,020,738.30 and 787,295.40 is: 1,180,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,751.40 : 4,020,738.30 = 787,295.40 : x
  2. Step 2: Convert to fraction form
    2,680,751.40/4,020,738.30 = 787,295.40/x
  3. Step 3: Cross multiply
    2,680,751.40x = 4,020,738.30 × 787,295.40
  4. Step 4: Simplify right side
    2,680,751.40x = 3,165,508,768,193.82
  5. Step 5: Solve for x
    x = 3,165,508,768,193.82/2,680,751.40
  6. Step 6: Final answer
    x = 1,180,828.92

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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.