Home / 1,621,090.94-2,431,633.14-1,522,442.21

Finding the Fourth Proportional to 1,621,090.94, 2,431,633.14 and 1,522,442.21

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Solution

The fourth proportional to 1,621,090.94, 2,431,633.14 and 1,522,442.21 is: 2,283,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,090.94 : 2,431,633.14 = 1,522,442.21 : x
  2. Step 2: Convert to fraction form
    1,621,090.94/2,431,633.14 = 1,522,442.21/x
  3. Step 3: Cross multiply
    1,621,090.94x = 2,431,633.14 × 1,522,442.21
  4. Step 4: Simplify right side
    1,621,090.94x = 3,702,020,919,412.67
  5. Step 5: Solve for x
    x = 3,702,020,919,412.67/1,621,090.94
  6. Step 6: Final answer
    x = 2,283,660.24

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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.