Home / 2,318,406.40-3,478,646.40-823,571.20

Finding the Fourth Proportional to 2,318,406.40, 3,478,646.40 and 823,571.20

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Solution

The fourth proportional to 2,318,406.40, 3,478,646.40 and 823,571.20 is: 1,235,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,406.40 : 3,478,646.40 = 823,571.20 : x
  2. Step 2: Convert to fraction form
    2,318,406.40/3,478,646.40 = 823,571.20/x
  3. Step 3: Cross multiply
    2,318,406.40x = 3,478,646.40 × 823,571.20
  4. Step 4: Simplify right side
    2,318,406.40x = 2,864,912,990,023.68
  5. Step 5: Solve for x
    x = 2,864,912,990,023.68/2,318,406.40
  6. Step 6: Final answer
    x = 1,235,725.10

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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.