Home / 1,552,408.20-2,141,168.58-1,370,799.72

Finding the Fourth Proportional to 1,552,408.20, 2,141,168.58 and 1,370,799.72

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Solution

The fourth proportional to 1,552,408.20, 2,141,168.58 and 1,370,799.72 is: 1,890,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,408.20 : 2,141,168.58 = 1,370,799.72 : x
  2. Step 2: Convert to fraction form
    1,552,408.20/2,141,168.58 = 1,370,799.72/x
  3. Step 3: Cross multiply
    1,552,408.20x = 2,141,168.58 × 1,370,799.72
  4. Step 4: Simplify right side
    1,552,408.20x = 2,935,113,289,936.80
  5. Step 5: Solve for x
    x = 2,935,113,289,936.80/1,552,408.20
  6. Step 6: Final answer
    x = 1,890,683.96

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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.