Home / 2,675,287.20-4,012,930.80-1,718,693.40

Finding the Fourth Proportional to 2,675,287.20, 4,012,930.80 and 1,718,693.40

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Solution

The fourth proportional to 2,675,287.20, 4,012,930.80 and 1,718,693.40 is: 2,578,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,287.20 : 4,012,930.80 = 1,718,693.40 : x
  2. Step 2: Convert to fraction form
    2,675,287.20/4,012,930.80 = 1,718,693.40/x
  3. Step 3: Cross multiply
    2,675,287.20x = 4,012,930.80 × 1,718,693.40
  4. Step 4: Simplify right side
    2,675,287.20x = 6,896,997,680,616.72
  5. Step 5: Solve for x
    x = 6,896,997,680,616.72/2,675,287.20
  6. Step 6: Final answer
    x = 2,578,040.10

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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.