Home / 4,280,105.40-6,420,103.42-1,041,648.76

Finding the Fourth Proportional to 4,280,105.40, 6,420,103.42 and 1,041,648.76

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Solution

The fourth proportional to 4,280,105.40, 6,420,103.42 and 1,041,648.76 is: 1,562,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,105.40 : 6,420,103.42 = 1,041,648.76 : x
  2. Step 2: Convert to fraction form
    4,280,105.40/6,420,103.42 = 1,041,648.76/x
  3. Step 3: Cross multiply
    4,280,105.40x = 6,420,103.42 × 1,041,648.76
  4. Step 4: Simplify right side
    4,280,105.40x = 6,687,492,796,949.02
  5. Step 5: Solve for x
    x = 6,687,492,796,949.02/4,280,105.40
  6. Step 6: Final answer
    x = 1,562,459.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.