Home / 3,668,109.10-5,502,406.65-972,396.70

Finding the Fourth Proportional to 3,668,109.10, 5,502,406.65 and 972,396.70

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Solution

The fourth proportional to 3,668,109.10, 5,502,406.65 and 972,396.70 is: 1,458,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,109.10 : 5,502,406.65 = 972,396.70 : x
  2. Step 2: Convert to fraction form
    3,668,109.10/5,502,406.65 = 972,396.70/x
  3. Step 3: Cross multiply
    3,668,109.10x = 5,502,406.65 × 972,396.70
  4. Step 4: Simplify right side
    3,668,109.10x = 5,350,522,068,518.06
  5. Step 5: Solve for x
    x = 5,350,522,068,518.06/3,668,109.10
  6. Step 6: Final answer
    x = 1,458,659.47

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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.