Home / 3,199,693.20-4,799,539.80-2,989,741.20

Finding the Fourth Proportional to 3,199,693.20, 4,799,539.80 and 2,989,741.20

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Solution

The fourth proportional to 3,199,693.20, 4,799,539.80 and 2,989,741.20 is: 4,484,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,693.20 : 4,799,539.80 = 2,989,741.20 : x
  2. Step 2: Convert to fraction form
    3,199,693.20/4,799,539.80 = 2,989,741.20/x
  3. Step 3: Cross multiply
    3,199,693.20x = 4,799,539.80 × 2,989,741.20
  4. Step 4: Simplify right side
    3,199,693.20x = 14,349,381,881,099.76
  5. Step 5: Solve for x
    x = 14,349,381,881,099.76/3,199,693.20
  6. Step 6: Final answer
    x = 4,484,611.80

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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.