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Finding the Fourth Proportional to 5,668,581.69, 8,504,535.06 and 1,830,320.55

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Solution

The fourth proportional to 5,668,581.69, 8,504,535.06 and 1,830,320.55 is: 2,746,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,581.69 : 8,504,535.06 = 1,830,320.55 : x
  2. Step 2: Convert to fraction form
    5,668,581.69/8,504,535.06 = 1,830,320.55/x
  3. Step 3: Cross multiply
    5,668,581.69x = 8,504,535.06 × 1,830,320.55
  4. Step 4: Simplify right side
    5,668,581.69x = 15,566,025,288,513.48
  5. Step 5: Solve for x
    x = 15,566,025,288,513.48/5,668,581.69
  6. Step 6: Final answer
    x = 2,746,017.64

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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.