Home / 3,510,281.80-5,265,422.70-2,978,840.80

Finding the Fourth Proportional to 3,510,281.80, 5,265,422.70 and 2,978,840.80

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Solution

The fourth proportional to 3,510,281.80, 5,265,422.70 and 2,978,840.80 is: 4,468,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,281.80 : 5,265,422.70 = 2,978,840.80 : x
  2. Step 2: Convert to fraction form
    3,510,281.80/5,265,422.70 = 2,978,840.80/x
  3. Step 3: Cross multiply
    3,510,281.80x = 5,265,422.70 × 2,978,840.80
  4. Step 4: Simplify right side
    3,510,281.80x = 15,684,855,968,006.16
  5. Step 5: Solve for x
    x = 15,684,855,968,006.16/3,510,281.80
  6. Step 6: Final answer
    x = 4,468,261.20

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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.