Home / 2,196,130.72-3,027,927.36-1,680,523.60

Finding the Fourth Proportional to 2,196,130.72, 3,027,927.36 and 1,680,523.60

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Solution

The fourth proportional to 2,196,130.72, 3,027,927.36 and 1,680,523.60 is: 2,317,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,130.72 : 3,027,927.36 = 1,680,523.60 : x
  2. Step 2: Convert to fraction form
    2,196,130.72/3,027,927.36 = 1,680,523.60/x
  3. Step 3: Cross multiply
    2,196,130.72x = 3,027,927.36 × 1,680,523.60
  4. Step 4: Simplify right side
    2,196,130.72x = 5,088,503,387,565.70
  5. Step 5: Solve for x
    x = 5,088,503,387,565.70/2,196,130.72
  6. Step 6: Final answer
    x = 2,317,031.20

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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.