Home / 5,020,657.20-6,928,577.08-2,728,817.20

Finding the Fourth Proportional to 5,020,657.20, 6,928,577.08 and 2,728,817.20

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Solution

The fourth proportional to 5,020,657.20, 6,928,577.08 and 2,728,817.20 is: 3,765,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020,657.20 : 6,928,577.08 = 2,728,817.20 : x
  2. Step 2: Convert to fraction form
    5,020,657.20/6,928,577.08 = 2,728,817.20/x
  3. Step 3: Cross multiply
    5,020,657.20x = 6,928,577.08 × 2,728,817.20
  4. Step 4: Simplify right side
    5,020,657.20x = 18,906,820,307,429.78
  5. Step 5: Solve for x
    x = 18,906,820,307,429.78/5,020,657.20
  6. Step 6: Final answer
    x = 3,765,805.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.