Home / 4,977,649.55-6,868,665.32-2,772,438.45

Finding the Fourth Proportional to 4,977,649.55, 6,868,665.32 and 2,772,438.45

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Solution

The fourth proportional to 4,977,649.55, 6,868,665.32 and 2,772,438.45 is: 3,825,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,649.55 : 6,868,665.32 = 2,772,438.45 : x
  2. Step 2: Convert to fraction form
    4,977,649.55/6,868,665.32 = 2,772,438.45/x
  3. Step 3: Cross multiply
    4,977,649.55x = 6,868,665.32 × 2,772,438.45
  4. Step 4: Simplify right side
    4,977,649.55x = 19,042,951,819,487.36
  5. Step 5: Solve for x
    x = 19,042,951,819,487.36/4,977,649.55
  6. Step 6: Final answer
    x = 3,825,691.55

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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.