Home / 2,146,475.40-3,219,713.10-1,922,526.60

Finding the Fourth Proportional to 2,146,475.40, 3,219,713.10 and 1,922,526.60

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Solution

The fourth proportional to 2,146,475.40, 3,219,713.10 and 1,922,526.60 is: 2,883,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,475.40 : 3,219,713.10 = 1,922,526.60 : x
  2. Step 2: Convert to fraction form
    2,146,475.40/3,219,713.10 = 1,922,526.60/x
  3. Step 3: Cross multiply
    2,146,475.40x = 3,219,713.10 × 1,922,526.60
  4. Step 4: Simplify right side
    2,146,475.40x = 6,189,984,079,118.46
  5. Step 5: Solve for x
    x = 6,189,984,079,118.46/2,146,475.40
  6. Step 6: Final answer
    x = 2,883,789.90

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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.