Home / 6,437,834.40-9,656,751.60-2,178,141.60

Finding the Fourth Proportional to 6,437,834.40, 9,656,751.60 and 2,178,141.60

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Solution

The fourth proportional to 6,437,834.40, 9,656,751.60 and 2,178,141.60 is: 3,267,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,834.40 : 9,656,751.60 = 2,178,141.60 : x
  2. Step 2: Convert to fraction form
    6,437,834.40/9,656,751.60 = 2,178,141.60/x
  3. Step 3: Cross multiply
    6,437,834.40x = 9,656,751.60 × 2,178,141.60
  4. Step 4: Simplify right side
    6,437,834.40x = 21,033,772,380,826.56
  5. Step 5: Solve for x
    x = 21,033,772,380,826.56/6,437,834.40
  6. Step 6: Final answer
    x = 3,267,212.40

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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.