Home / 5,210,377.56-7,190,363.25-2,887,308.88

Finding the Fourth Proportional to 5,210,377.56, 7,190,363.25 and 2,887,308.88

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Solution

The fourth proportional to 5,210,377.56, 7,190,363.25 and 2,887,308.88 is: 3,984,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,377.56 : 7,190,363.25 = 2,887,308.88 : x
  2. Step 2: Convert to fraction form
    5,210,377.56/7,190,363.25 = 2,887,308.88/x
  3. Step 3: Cross multiply
    5,210,377.56x = 7,190,363.25 × 2,887,308.88
  4. Step 4: Simplify right side
    5,210,377.56x = 20,760,799,636,054.20
  5. Step 5: Solve for x
    x = 20,760,799,636,054.20/5,210,377.56
  6. Step 6: Final answer
    x = 3,984,509.65

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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.