Home / 5,280,833-7,287,360.96-2,988,944.48

Finding the Fourth Proportional to 5,280,833, 7,287,360.96 and 2,988,944.48

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Solution

The fourth proportional to 5,280,833, 7,287,360.96 and 2,988,944.48 is: 4,124,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,833 : 7,287,360.96 = 2,988,944.48 : x
  2. Step 2: Convert to fraction form
    5,280,833/7,287,360.96 = 2,988,944.48/x
  3. Step 3: Cross multiply
    5,280,833x = 7,287,360.96 × 2,988,944.48
  4. Step 4: Simplify right side
    5,280,833x = 21,781,517,315,159.50
  5. Step 5: Solve for x
    x = 21,781,517,315,159.50/5,280,833
  6. Step 6: Final answer
    x = 4,124,636.65

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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.