Home / 3,829,047.20-5,743,570.80-3,120,459.20

Finding the Fourth Proportional to 3,829,047.20, 5,743,570.80 and 3,120,459.20

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Solution

The fourth proportional to 3,829,047.20, 5,743,570.80 and 3,120,459.20 is: 4,680,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829,047.20 : 5,743,570.80 = 3,120,459.20 : x
  2. Step 2: Convert to fraction form
    3,829,047.20/5,743,570.80 = 3,120,459.20/x
  3. Step 3: Cross multiply
    3,829,047.20x = 5,743,570.80 × 3,120,459.20
  4. Step 4: Simplify right side
    3,829,047.20x = 17,922,578,343,711.36
  5. Step 5: Solve for x
    x = 17,922,578,343,711.36/3,829,047.20
  6. Step 6: Final answer
    x = 4,680,688.80

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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.