Home / 3,546,429.10-5,319,643.65-2,128,086.70

Finding the Fourth Proportional to 3,546,429.10, 5,319,643.65 and 2,128,086.70

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Solution

The fourth proportional to 3,546,429.10, 5,319,643.65 and 2,128,086.70 is: 3,192,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546,429.10 : 5,319,643.65 = 2,128,086.70 : x
  2. Step 2: Convert to fraction form
    3,546,429.10/5,319,643.65 = 2,128,086.70/x
  3. Step 3: Cross multiply
    3,546,429.10x = 5,319,643.65 × 2,128,086.70
  4. Step 4: Simplify right side
    3,546,429.10x = 11,320,662,900,304.46
  5. Step 5: Solve for x
    x = 11,320,662,900,304.46/3,546,429.10
  6. Step 6: Final answer
    x = 3,192,130.05

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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.