Home / 4,388,436.36-6,580,287.60-1,990,972.80

Finding the Fourth Proportional to 4,388,436.36, 6,580,287.60 and 1,990,972.80

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Solution

The fourth proportional to 4,388,436.36, 6,580,287.60 and 1,990,972.80 is: 2,985,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,436.36 : 6,580,287.60 = 1,990,972.80 : x
  2. Step 2: Convert to fraction form
    4,388,436.36/6,580,287.60 = 1,990,972.80/x
  3. Step 3: Cross multiply
    4,388,436.36x = 6,580,287.60 × 1,990,972.80
  4. Step 4: Simplify right side
    4,388,436.36x = 13,101,173,627,777.28
  5. Step 5: Solve for x
    x = 13,101,173,627,777.28/4,388,436.36
  6. Step 6: Final answer
    x = 2,985,385.35

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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.