Home / 2,929,200.26-4,042,720.74-1,640,123.72

Finding the Fourth Proportional to 2,929,200.26, 4,042,720.74 and 1,640,123.72

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Solution

The fourth proportional to 2,929,200.26, 4,042,720.74 and 1,640,123.72 is: 2,263,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,200.26 : 4,042,720.74 = 1,640,123.72 : x
  2. Step 2: Convert to fraction form
    2,929,200.26/4,042,720.74 = 1,640,123.72/x
  3. Step 3: Cross multiply
    2,929,200.26x = 4,042,720.74 × 1,640,123.72
  4. Step 4: Simplify right side
    2,929,200.26x = 6,630,562,179,009.95
  5. Step 5: Solve for x
    x = 6,630,562,179,009.95/2,929,200.26
  6. Step 6: Final answer
    x = 2,263,608.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.