Home / 2,680,510.90-4,020,766.35-685,966.90

Finding the Fourth Proportional to 2,680,510.90, 4,020,766.35 and 685,966.90

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Solution

The fourth proportional to 2,680,510.90, 4,020,766.35 and 685,966.90 is: 1,028,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,510.90 : 4,020,766.35 = 685,966.90 : x
  2. Step 2: Convert to fraction form
    2,680,510.90/4,020,766.35 = 685,966.90/x
  3. Step 3: Cross multiply
    2,680,510.90x = 4,020,766.35 × 685,966.90
  4. Step 4: Simplify right side
    2,680,510.90x = 2,758,112,628,733.82
  5. Step 5: Solve for x
    x = 2,758,112,628,733.82/2,680,510.90
  6. Step 6: Final answer
    x = 1,028,950.35

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Similar ratio
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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.