Home / 5,718,127.20-7,891,726.56-3,270,398.40

Finding the Fourth Proportional to 5,718,127.20, 7,891,726.56 and 3,270,398.40

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Solution

The fourth proportional to 5,718,127.20, 7,891,726.56 and 3,270,398.40 is: 4,513,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,127.20 : 7,891,726.56 = 3,270,398.40 : x
  2. Step 2: Convert to fraction form
    5,718,127.20/7,891,726.56 = 3,270,398.40/x
  3. Step 3: Cross multiply
    5,718,127.20x = 7,891,726.56 × 3,270,398.40
  4. Step 4: Simplify right side
    5,718,127.20x = 25,809,089,915,061.50
  5. Step 5: Solve for x
    x = 25,809,089,915,061.50/5,718,127.20
  6. Step 6: Final answer
    x = 4,513,556.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.