Home / 1,984,183.68-2,738,159.91-1,078,765.68

Finding the Fourth Proportional to 1,984,183.68, 2,738,159.91 and 1,078,765.68

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Solution

The fourth proportional to 1,984,183.68, 2,738,159.91 and 1,078,765.68 is: 1,488,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,183.68 : 2,738,159.91 = 1,078,765.68 : x
  2. Step 2: Convert to fraction form
    1,984,183.68/2,738,159.91 = 1,078,765.68/x
  3. Step 3: Cross multiply
    1,984,183.68x = 2,738,159.91 × 1,078,765.68
  4. Step 4: Simplify right side
    1,984,183.68x = 2,953,832,937,259.89
  5. Step 5: Solve for x
    x = 2,953,832,937,259.89/1,984,183.68
  6. Step 6: Final answer
    x = 1,488,689.26

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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.