Home / 6,437,914.40-9,656,871.60-2,178,221.60

Finding the Fourth Proportional to 6,437,914.40, 9,656,871.60 and 2,178,221.60

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Solution

The fourth proportional to 6,437,914.40, 9,656,871.60 and 2,178,221.60 is: 3,267,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,914.40 : 9,656,871.60 = 2,178,221.60 : x
  2. Step 2: Convert to fraction form
    6,437,914.40/9,656,871.60 = 2,178,221.60/x
  3. Step 3: Cross multiply
    6,437,914.40x = 9,656,871.60 × 2,178,221.60
  4. Step 4: Simplify right side
    6,437,914.40x = 21,034,806,307,546.56
  5. Step 5: Solve for x
    x = 21,034,806,307,546.56/6,437,914.40
  6. Step 6: Final answer
    x = 3,267,332.40

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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.