Home / 2,319,627.31-3,200,931.85-1,287,069.64

Finding the Fourth Proportional to 2,319,627.31, 3,200,931.85 and 1,287,069.64

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Solution

The fourth proportional to 2,319,627.31, 3,200,931.85 and 1,287,069.64 is: 1,776,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,627.31 : 3,200,931.85 = 1,287,069.64 : x
  2. Step 2: Convert to fraction form
    2,319,627.31/3,200,931.85 = 1,287,069.64/x
  3. Step 3: Cross multiply
    2,319,627.31x = 3,200,931.85 × 1,287,069.64
  4. Step 4: Simplify right side
    2,319,627.31x = 4,119,822,203,844.03
  5. Step 5: Solve for x
    x = 4,119,822,203,844.03/2,319,627.31
  6. Step 6: Final answer
    x = 1,776,070.74

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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.