Home / 2,319,352.32-3,200,644.44-1,272,770.40

Finding the Fourth Proportional to 2,319,352.32, 3,200,644.44 and 1,272,770.40

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Solution

The fourth proportional to 2,319,352.32, 3,200,644.44 and 1,272,770.40 is: 1,756,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,352.32 : 3,200,644.44 = 1,272,770.40 : x
  2. Step 2: Convert to fraction form
    2,319,352.32/3,200,644.44 = 1,272,770.40/x
  3. Step 3: Cross multiply
    2,319,352.32x = 3,200,644.44 × 1,272,770.40
  4. Step 4: Simplify right side
    2,319,352.32x = 4,073,685,504,156.58
  5. Step 5: Solve for x
    x = 4,073,685,504,156.58/2,319,352.32
  6. Step 6: Final answer
    x = 1,756,389.26

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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.