Home / 1,870,176.88-2,580,213.72-1,064,790.64

Finding the Fourth Proportional to 1,870,176.88, 2,580,213.72 and 1,064,790.64

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Solution

The fourth proportional to 1,870,176.88, 2,580,213.72 and 1,064,790.64 is: 1,469,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,176.88 : 2,580,213.72 = 1,064,790.64 : x
  2. Step 2: Convert to fraction form
    1,870,176.88/2,580,213.72 = 1,064,790.64/x
  3. Step 3: Cross multiply
    1,870,176.88x = 2,580,213.72 × 1,064,790.64
  4. Step 4: Simplify right side
    1,870,176.88x = 2,747,387,418,255.58
  5. Step 5: Solve for x
    x = 2,747,387,418,255.58/1,870,176.88
  6. Step 6: Final answer
    x = 1,469,052.18

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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.