Home / 3,189,688.80-4,782,880.80-945,535.20

Finding the Fourth Proportional to 3,189,688.80, 4,782,880.80 and 945,535.20

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Solution

The fourth proportional to 3,189,688.80, 4,782,880.80 and 945,535.20 is: 1,417,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,688.80 : 4,782,880.80 = 945,535.20 : x
  2. Step 2: Convert to fraction form
    3,189,688.80/4,782,880.80 = 945,535.20/x
  3. Step 3: Cross multiply
    3,189,688.80x = 4,782,880.80 × 945,535.20
  4. Step 4: Simplify right side
    3,189,688.80x = 4,522,382,153,804.16
  5. Step 5: Solve for x
    x = 4,522,382,153,804.16/3,189,688.80
  6. Step 6: Final answer
    x = 1,417,812.97

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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.