Home / 4,974,140.20-7,461,210.30-3,978,812.20

Finding the Fourth Proportional to 4,974,140.20, 7,461,210.30 and 3,978,812.20

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Solution

The fourth proportional to 4,974,140.20, 7,461,210.30 and 3,978,812.20 is: 5,968,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974,140.20 : 7,461,210.30 = 3,978,812.20 : x
  2. Step 2: Convert to fraction form
    4,974,140.20/7,461,210.30 = 3,978,812.20/x
  3. Step 3: Cross multiply
    4,974,140.20x = 7,461,210.30 × 3,978,812.20
  4. Step 4: Simplify right side
    4,974,140.20x = 29,686,754,568,405.66
  5. Step 5: Solve for x
    x = 29,686,754,568,405.66/4,974,140.20
  6. Step 6: Final answer
    x = 5,968,218.30

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Double scale
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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.