Home / 4,079,438.40-6,123,871.80-2,189,870.40

Finding the Fourth Proportional to 4,079,438.40, 6,123,871.80 and 2,189,870.40

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Solution

The fourth proportional to 4,079,438.40, 6,123,871.80 and 2,189,870.40 is: 3,287,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079,438.40 : 6,123,871.80 = 2,189,870.40 : x
  2. Step 2: Convert to fraction form
    4,079,438.40/6,123,871.80 = 2,189,870.40/x
  3. Step 3: Cross multiply
    4,079,438.40x = 6,123,871.80 × 2,189,870.40
  4. Step 4: Simplify right side
    4,079,438.40x = 13,410,485,588,214.72
  5. Step 5: Solve for x
    x = 13,410,485,588,214.72/4,079,438.40
  6. Step 6: Final answer
    x = 3,287,336.21

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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.