Home / 1,986,525.30-2,740,568.68-1,250,175.16

Finding the Fourth Proportional to 1,986,525.30, 2,740,568.68 and 1,250,175.16

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Solution

The fourth proportional to 1,986,525.30, 2,740,568.68 and 1,250,175.16 is: 1,724,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,525.30 : 2,740,568.68 = 1,250,175.16 : x
  2. Step 2: Convert to fraction form
    1,986,525.30/2,740,568.68 = 1,250,175.16/x
  3. Step 3: Cross multiply
    1,986,525.30x = 2,740,568.68 × 1,250,175.16
  4. Step 4: Simplify right side
    1,986,525.30x = 3,426,190,892,998.42
  5. Step 5: Solve for x
    x = 3,426,190,892,998.42/1,986,525.30
  6. Step 6: Final answer
    x = 1,724,715.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.