Home / 3,825,300-5,733,643.88-1,668,140.40

Finding the Fourth Proportional to 3,825,300, 5,733,643.88 and 1,668,140.40

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Solution

The fourth proportional to 3,825,300, 5,733,643.88 and 1,668,140.40 is: 2,500,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,300 : 5,733,643.88 = 1,668,140.40 : x
  2. Step 2: Convert to fraction form
    3,825,300/5,733,643.88 = 1,668,140.40/x
  3. Step 3: Cross multiply
    3,825,300x = 5,733,643.88 × 1,668,140.40
  4. Step 4: Simplify right side
    3,825,300x = 9,564,522,995,440.75
  5. Step 5: Solve for x
    x = 9,564,522,995,440.75/3,825,300
  6. Step 6: Final answer
    x = 2,500,332.78

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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.