Home / 2,819,143.28-3,890,446.80-1,529,994.80

Finding the Fourth Proportional to 2,819,143.28, 3,890,446.80 and 1,529,994.80

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Solution

The fourth proportional to 2,819,143.28, 3,890,446.80 and 1,529,994.80 is: 2,111,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,143.28 : 3,890,446.80 = 1,529,994.80 : x
  2. Step 2: Convert to fraction form
    2,819,143.28/3,890,446.80 = 1,529,994.80/x
  3. Step 3: Cross multiply
    2,819,143.28x = 3,890,446.80 × 1,529,994.80
  4. Step 4: Simplify right side
    2,819,143.28x = 5,952,363,373,676.64
  5. Step 5: Solve for x
    x = 5,952,363,373,676.64/2,819,143.28
  6. Step 6: Final answer
    x = 2,111,408.60

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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.