Home / 2,129,020.40-2,937,941.88-1,162,191.44

Finding the Fourth Proportional to 2,129,020.40, 2,937,941.88 and 1,162,191.44

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Solution

The fourth proportional to 2,129,020.40, 2,937,941.88 and 1,162,191.44 is: 1,603,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,020.40 : 2,937,941.88 = 1,162,191.44 : x
  2. Step 2: Convert to fraction form
    2,129,020.40/2,937,941.88 = 1,162,191.44/x
  3. Step 3: Cross multiply
    2,129,020.40x = 2,937,941.88 × 1,162,191.44
  4. Step 4: Simplify right side
    2,129,020.40x = 3,414,450,904,153.51
  5. Step 5: Solve for x
    x = 3,414,450,904,153.51/2,129,020.40
  6. Step 6: Final answer
    x = 1,603,766.18

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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.