Home / 5,357,014.78-7,392,734.11-2,909,673.69

Finding the Fourth Proportional to 5,357,014.78, 7,392,734.11 and 2,909,673.69

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Solution

The fourth proportional to 5,357,014.78, 7,392,734.11 and 2,909,673.69 is: 4,015,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,014.78 : 7,392,734.11 = 2,909,673.69 : x
  2. Step 2: Convert to fraction form
    5,357,014.78/7,392,734.11 = 2,909,673.69/x
  3. Step 3: Cross multiply
    5,357,014.78x = 7,392,734.11 × 2,909,673.69
  4. Step 4: Simplify right side
    5,357,014.78x = 21,510,443,922,484.20
  5. Step 5: Solve for x
    x = 21,510,443,922,484.20/5,357,014.78
  6. Step 6: Final answer
    x = 4,015,378.86

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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.