Home / 3,311,341.92-4,989,140.04-2,991,865.12

Finding the Fourth Proportional to 3,311,341.92, 4,989,140.04 and 2,991,865.12

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Solution

The fourth proportional to 3,311,341.92, 4,989,140.04 and 2,991,865.12 is: 4,507,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,341.92 : 4,989,140.04 = 2,991,865.12 : x
  2. Step 2: Convert to fraction form
    3,311,341.92/4,989,140.04 = 2,991,865.12/x
  3. Step 3: Cross multiply
    3,311,341.92x = 4,989,140.04 × 2,991,865.12
  4. Step 4: Simplify right side
    3,311,341.92x = 14,926,834,064,471.41
  5. Step 5: Solve for x
    x = 14,926,834,064,471.41/3,311,341.92
  6. Step 6: Final answer
    x = 4,507,790.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.