Home / 2,319,790.47-3,201,304.32-1,287,454.11

Finding the Fourth Proportional to 2,319,790.47, 3,201,304.32 and 1,287,454.11

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Solution

The fourth proportional to 2,319,790.47, 3,201,304.32 and 1,287,454.11 is: 1,776,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,790.47 : 3,201,304.32 = 1,287,454.11 : x
  2. Step 2: Convert to fraction form
    2,319,790.47/3,201,304.32 = 1,287,454.11/x
  3. Step 3: Cross multiply
    2,319,790.47x = 3,201,304.32 × 1,287,454.11
  4. Step 4: Simplify right side
    2,319,790.47x = 4,121,532,404,144.76
  5. Step 5: Solve for x
    x = 4,121,532,404,144.76/2,319,790.47
  6. Step 6: Final answer
    x = 1,776,683.05

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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.