Home / 3,519,389.21-5,281,080.84-1,900,136.48

Finding the Fourth Proportional to 3,519,389.21, 5,281,080.84 and 1,900,136.48

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Solution

The fourth proportional to 3,519,389.21, 5,281,080.84 and 1,900,136.48 is: 2,851,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,389.21 : 5,281,080.84 = 1,900,136.48 : x
  2. Step 2: Convert to fraction form
    3,519,389.21/5,281,080.84 = 1,900,136.48/x
  3. Step 3: Cross multiply
    3,519,389.21x = 5,281,080.84 × 1,900,136.48
  4. Step 4: Simplify right side
    3,519,389.21x = 10,034,774,331,507.64
  5. Step 5: Solve for x
    x = 10,034,774,331,507.64/3,519,389.21
  6. Step 6: Final answer
    x = 2,851,282.92

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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.