Home / 2,191,071.26-3,023,834.80-1,210,989.23

Finding the Fourth Proportional to 2,191,071.26, 3,023,834.80 and 1,210,989.23

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Solution

The fourth proportional to 2,191,071.26, 3,023,834.80 and 1,210,989.23 is: 1,671,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,071.26 : 3,023,834.80 = 1,210,989.23 : x
  2. Step 2: Convert to fraction form
    2,191,071.26/3,023,834.80 = 1,210,989.23/x
  3. Step 3: Cross multiply
    2,191,071.26x = 3,023,834.80 × 1,210,989.23
  4. Step 4: Simplify right side
    2,191,071.26x = 3,661,831,376,099.20
  5. Step 5: Solve for x
    x = 3,661,831,376,099.20/2,191,071.26
  6. Step 6: Final answer
    x = 1,671,251.61

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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.