Home / 2,319,629.01-3,200,934.18-1,287,071.32

Finding the Fourth Proportional to 2,319,629.01, 3,200,934.18 and 1,287,071.32

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Solution

The fourth proportional to 2,319,629.01, 3,200,934.18 and 1,287,071.32 is: 1,776,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,629.01 : 3,200,934.18 = 1,287,071.32 : x
  2. Step 2: Convert to fraction form
    2,319,629.01/3,200,934.18 = 1,287,071.32/x
  3. Step 3: Cross multiply
    2,319,629.01x = 3,200,934.18 × 1,287,071.32
  4. Step 4: Simplify right side
    2,319,629.01x = 4,119,830,580,285.72
  5. Step 5: Solve for x
    x = 4,119,830,580,285.72/2,319,629.01
  6. Step 6: Final answer
    x = 1,776,073.05

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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.