Home / 3,976,219.20-5,964,328.80-3,668,289.60

Finding the Fourth Proportional to 3,976,219.20, 5,964,328.80 and 3,668,289.60

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Solution

The fourth proportional to 3,976,219.20, 5,964,328.80 and 3,668,289.60 is: 5,502,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,219.20 : 5,964,328.80 = 3,668,289.60 : x
  2. Step 2: Convert to fraction form
    3,976,219.20/5,964,328.80 = 3,668,289.60/x
  3. Step 3: Cross multiply
    3,976,219.20x = 5,964,328.80 × 3,668,289.60
  4. Step 4: Simplify right side
    3,976,219.20x = 21,878,885,308,020.48
  5. Step 5: Solve for x
    x = 21,878,885,308,020.48/3,976,219.20
  6. Step 6: Final answer
    x = 5,502,434.40

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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.