Home / 1,552,403.46-2,141,408.70-1,008,901.20

Finding the Fourth Proportional to 1,552,403.46, 2,141,408.70 and 1,008,901.20

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Solution

The fourth proportional to 1,552,403.46, 2,141,408.70 and 1,008,901.20 is: 1,391,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,403.46 : 2,141,408.70 = 1,008,901.20 : x
  2. Step 2: Convert to fraction form
    1,552,403.46/2,141,408.70 = 1,008,901.20/x
  3. Step 3: Cross multiply
    1,552,403.46x = 2,141,408.70 × 1,008,901.20
  4. Step 4: Simplify right side
    1,552,403.46x = 2,160,469,807,120.44
  5. Step 5: Solve for x
    x = 2,160,469,807,120.44/1,552,403.46
  6. Step 6: Final answer
    x = 1,391,693.50

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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.