Home / 4,155,197.20-6,232,795.80-2,808,005.20

Finding the Fourth Proportional to 4,155,197.20, 6,232,795.80 and 2,808,005.20

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Solution

The fourth proportional to 4,155,197.20, 6,232,795.80 and 2,808,005.20 is: 4,212,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,197.20 : 6,232,795.80 = 2,808,005.20 : x
  2. Step 2: Convert to fraction form
    4,155,197.20/6,232,795.80 = 2,808,005.20/x
  3. Step 3: Cross multiply
    4,155,197.20x = 6,232,795.80 × 2,808,005.20
  4. Step 4: Simplify right side
    4,155,197.20x = 17,501,723,016,938.16
  5. Step 5: Solve for x
    x = 17,501,723,016,938.16/4,155,197.20
  6. Step 6: Final answer
    x = 4,212,007.80

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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.