Home / 1,990,494.60-2,985,741.90-1,194,232.20

Finding the Fourth Proportional to 1,990,494.60, 2,985,741.90 and 1,194,232.20

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Solution

The fourth proportional to 1,990,494.60, 2,985,741.90 and 1,194,232.20 is: 1,791,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,494.60 : 2,985,741.90 = 1,194,232.20 : x
  2. Step 2: Convert to fraction form
    1,990,494.60/2,985,741.90 = 1,194,232.20/x
  3. Step 3: Cross multiply
    1,990,494.60x = 2,985,741.90 × 1,194,232.20
  4. Step 4: Simplify right side
    1,990,494.60x = 3,565,669,117,869.18
  5. Step 5: Solve for x
    x = 3,565,669,117,869.18/1,990,494.60
  6. Step 6: Final answer
    x = 1,791,348.30

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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.