Home / 2,791,852.12-4,189,862.60-2,073,851.76

Finding the Fourth Proportional to 2,791,852.12, 4,189,862.60 and 2,073,851.76

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Solution

The fourth proportional to 2,791,852.12, 4,189,862.60 and 2,073,851.76 is: 3,112,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,852.12 : 4,189,862.60 = 2,073,851.76 : x
  2. Step 2: Convert to fraction form
    2,791,852.12/4,189,862.60 = 2,073,851.76/x
  3. Step 3: Cross multiply
    2,791,852.12x = 4,189,862.60 × 2,073,851.76
  4. Step 4: Simplify right side
    2,791,852.12x = 8,689,153,927,168.18
  5. Step 5: Solve for x
    x = 8,689,153,927,168.18/2,791,852.12
  6. Step 6: Final answer
    x = 3,112,325.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.