Home / 2,152,258.19-2,970,251.12-1,185,388.25

Finding the Fourth Proportional to 2,152,258.19, 2,970,251.12 and 1,185,388.25

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Solution

The fourth proportional to 2,152,258.19, 2,970,251.12 and 1,185,388.25 is: 1,635,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,258.19 : 2,970,251.12 = 1,185,388.25 : x
  2. Step 2: Convert to fraction form
    2,152,258.19/2,970,251.12 = 1,185,388.25/x
  3. Step 3: Cross multiply
    2,152,258.19x = 2,970,251.12 × 1,185,388.25
  4. Step 4: Simplify right side
    2,152,258.19x = 3,520,900,771,270.40
  5. Step 5: Solve for x
    x = 3,520,900,771,270.40/2,152,258.19
  6. Step 6: Final answer
    x = 1,635,910.04

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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.