Home / 2,688,616.79-4,034,787.78-1,069,219.73

Finding the Fourth Proportional to 2,688,616.79, 4,034,787.78 and 1,069,219.73

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Solution

The fourth proportional to 2,688,616.79, 4,034,787.78 and 1,069,219.73 is: 1,604,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,616.79 : 4,034,787.78 = 1,069,219.73 : x
  2. Step 2: Convert to fraction form
    2,688,616.79/4,034,787.78 = 1,069,219.73/x
  3. Step 3: Cross multiply
    2,688,616.79x = 4,034,787.78 × 1,069,219.73
  4. Step 4: Simplify right side
    2,688,616.79x = 4,314,074,700,738.90
  5. Step 5: Solve for x
    x = 4,314,074,700,738.90/2,688,616.79
  6. Step 6: Final answer
    x = 1,604,570.32

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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.