Home / 4,347,338.40-6,521,007.60-3,643,999.20

Finding the Fourth Proportional to 4,347,338.40, 6,521,007.60 and 3,643,999.20

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Solution

The fourth proportional to 4,347,338.40, 6,521,007.60 and 3,643,999.20 is: 5,465,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347,338.40 : 6,521,007.60 = 3,643,999.20 : x
  2. Step 2: Convert to fraction form
    4,347,338.40/6,521,007.60 = 3,643,999.20/x
  3. Step 3: Cross multiply
    4,347,338.40x = 6,521,007.60 × 3,643,999.20
  4. Step 4: Simplify right side
    4,347,338.40x = 23,762,546,477,593.92
  5. Step 5: Solve for x
    x = 23,762,546,477,593.92/4,347,338.40
  6. Step 6: Final answer
    x = 5,465,998.80

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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.