Home / 1,937,902.87-2,674,286.44-1,078,448.59

Finding the Fourth Proportional to 1,937,902.87, 2,674,286.44 and 1,078,448.59

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Solution

The fourth proportional to 1,937,902.87, 2,674,286.44 and 1,078,448.59 is: 1,488,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,902.87 : 2,674,286.44 = 1,078,448.59 : x
  2. Step 2: Convert to fraction form
    1,937,902.87/2,674,286.44 = 1,078,448.59/x
  3. Step 3: Cross multiply
    1,937,902.87x = 2,674,286.44 × 1,078,448.59
  4. Step 4: Simplify right side
    1,937,902.87x = 2,884,080,440,474.12
  5. Step 5: Solve for x
    x = 2,884,080,440,474.12/1,937,902.87
  6. Step 6: Final answer
    x = 1,488,248.19

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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.