Home / 3,865,875.13-5,334,920.12-2,146,995.64

Finding the Fourth Proportional to 3,865,875.13, 5,334,920.12 and 2,146,995.64

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Solution

The fourth proportional to 3,865,875.13, 5,334,920.12 and 2,146,995.64 is: 2,962,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,875.13 : 5,334,920.12 = 2,146,995.64 : x
  2. Step 2: Convert to fraction form
    3,865,875.13/5,334,920.12 = 2,146,995.64/x
  3. Step 3: Cross multiply
    3,865,875.13x = 5,334,920.12 × 2,146,995.64
  4. Step 4: Simplify right side
    3,865,875.13x = 11,454,050,237,388.28
  5. Step 5: Solve for x
    x = 11,454,050,237,388.28/3,865,875.13
  6. Step 6: Final answer
    x = 2,962,860.89

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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.