Home / 3,828,941.40-5,743,412.10-1,307,443.80

Finding the Fourth Proportional to 3,828,941.40, 5,743,412.10 and 1,307,443.80

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Solution

The fourth proportional to 3,828,941.40, 5,743,412.10 and 1,307,443.80 is: 1,961,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,941.40 : 5,743,412.10 = 1,307,443.80 : x
  2. Step 2: Convert to fraction form
    3,828,941.40/5,743,412.10 = 1,307,443.80/x
  3. Step 3: Cross multiply
    3,828,941.40x = 5,743,412.10 × 1,307,443.80
  4. Step 4: Simplify right side
    3,828,941.40x = 7,509,188,540,989.98
  5. Step 5: Solve for x
    x = 7,509,188,540,989.98/3,828,941.40
  6. Step 6: Final answer
    x = 1,961,165.70

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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.