Home / 2,764,403.92-4,146,671.49-742,650.40

Finding the Fourth Proportional to 2,764,403.92, 4,146,671.49 and 742,650.40

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Solution

The fourth proportional to 2,764,403.92, 4,146,671.49 and 742,650.40 is: 1,113,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,403.92 : 4,146,671.49 = 742,650.40 : x
  2. Step 2: Convert to fraction form
    2,764,403.92/4,146,671.49 = 742,650.40/x
  3. Step 3: Cross multiply
    2,764,403.92x = 4,146,671.49 × 742,650.40
  4. Step 4: Simplify right side
    2,764,403.92x = 3,079,527,240,717.10
  5. Step 5: Solve for x
    x = 3,079,527,240,717.10/2,764,403.92
  6. Step 6: Final answer
    x = 1,113,993.23

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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.