Home / 3,860,864.40-5,791,987.80-1,617,229.20

Finding the Fourth Proportional to 3,860,864.40, 5,791,987.80 and 1,617,229.20

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Solution

The fourth proportional to 3,860,864.40, 5,791,987.80 and 1,617,229.20 is: 2,426,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,864.40 : 5,791,987.80 = 1,617,229.20 : x
  2. Step 2: Convert to fraction form
    3,860,864.40/5,791,987.80 = 1,617,229.20/x
  3. Step 3: Cross multiply
    3,860,864.40x = 5,791,987.80 × 1,617,229.20
  4. Step 4: Simplify right side
    3,860,864.40x = 9,366,971,796,203.76
  5. Step 5: Solve for x
    x = 9,366,971,796,203.76/3,860,864.40
  6. Step 6: Final answer
    x = 2,426,133.33

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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.