Home / 2,158,040.40-2,977,883.79-1,191,108.41

Finding the Fourth Proportional to 2,158,040.40, 2,977,883.79 and 1,191,108.41

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Solution

The fourth proportional to 2,158,040.40, 2,977,883.79 and 1,191,108.41 is: 1,643,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,040.40 : 2,977,883.79 = 1,191,108.41 : x
  2. Step 2: Convert to fraction form
    2,158,040.40/2,977,883.79 = 1,191,108.41/x
  3. Step 3: Cross multiply
    2,158,040.40x = 2,977,883.79 × 1,191,108.41
  4. Step 4: Simplify right side
    2,158,040.40x = 3,546,982,411,382.26
  5. Step 5: Solve for x
    x = 3,546,982,411,382.26/2,158,040.40
  6. Step 6: Final answer
    x = 1,643,612.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.