Home / 2,156,999.36-2,976,675.08-1,190,165.54

Finding the Fourth Proportional to 2,156,999.36, 2,976,675.08 and 1,190,165.54

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Solution

The fourth proportional to 2,156,999.36, 2,976,675.08 and 1,190,165.54 is: 1,642,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,999.36 : 2,976,675.08 = 1,190,165.54 : x
  2. Step 2: Convert to fraction form
    2,156,999.36/2,976,675.08 = 1,190,165.54/x
  3. Step 3: Cross multiply
    2,156,999.36x = 2,976,675.08 × 1,190,165.54
  4. Step 4: Simplify right side
    2,156,999.36x = 3,542,736,083,158.54
  5. Step 5: Solve for x
    x = 3,542,736,083,158.54/2,156,999.36
  6. Step 6: Final answer
    x = 1,642,437.25

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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.