Home / 2,142,713.26-2,957,029.59-1,175,878.15

Finding the Fourth Proportional to 2,142,713.26, 2,957,029.59 and 1,175,878.15

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Solution

The fourth proportional to 2,142,713.26, 2,957,029.59 and 1,175,878.15 is: 1,622,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,713.26 : 2,957,029.59 = 1,175,878.15 : x
  2. Step 2: Convert to fraction form
    2,142,713.26/2,957,029.59 = 1,175,878.15/x
  3. Step 3: Cross multiply
    2,142,713.26x = 2,957,029.59 × 1,175,878.15
  4. Step 4: Simplify right side
    2,142,713.26x = 3,477,106,477,905.07
  5. Step 5: Solve for x
    x = 3,477,106,477,905.07/2,142,713.26
  6. Step 6: Final answer
    x = 1,622,758.65

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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.