Home / 2,330,729.12-3,216,466.32-1,312,170.32

Finding the Fourth Proportional to 2,330,729.12, 3,216,466.32 and 1,312,170.32

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Solution

The fourth proportional to 2,330,729.12, 3,216,466.32 and 1,312,170.32 is: 1,810,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330,729.12 : 3,216,466.32 = 1,312,170.32 : x
  2. Step 2: Convert to fraction form
    2,330,729.12/3,216,466.32 = 1,312,170.32/x
  3. Step 3: Cross multiply
    2,330,729.12x = 3,216,466.32 × 1,312,170.32
  4. Step 4: Simplify right side
    2,330,729.12x = 4,220,551,640,383.62
  5. Step 5: Solve for x
    x = 4,220,551,640,383.62/2,330,729.12
  6. Step 6: Final answer
    x = 1,810,828.90

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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.