Home / 1,887,236.40-2,828,055.22-1,386,150.96

Finding the Fourth Proportional to 1,887,236.40, 2,828,055.22 and 1,386,150.96

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Solution

The fourth proportional to 1,887,236.40, 2,828,055.22 and 1,386,150.96 is: 2,077,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,236.40 : 2,828,055.22 = 1,386,150.96 : x
  2. Step 2: Convert to fraction form
    1,887,236.40/2,828,055.22 = 1,386,150.96/x
  3. Step 3: Cross multiply
    1,887,236.40x = 2,828,055.22 × 1,386,150.96
  4. Step 4: Simplify right side
    1,887,236.40x = 3,920,111,458,136.01
  5. Step 5: Solve for x
    x = 3,920,111,458,136.01/1,887,236.40
  6. Step 6: Final answer
    x = 2,077,170.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.