Home / 2,142,646.07-2,956,896.74-1,175,767.90

Finding the Fourth Proportional to 2,142,646.07, 2,956,896.74 and 1,175,767.90

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Solution

The fourth proportional to 2,142,646.07, 2,956,896.74 and 1,175,767.90 is: 1,622,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,646.07 : 2,956,896.74 = 1,175,767.90 : x
  2. Step 2: Convert to fraction form
    2,142,646.07/2,956,896.74 = 1,175,767.90/x
  3. Step 3: Cross multiply
    2,142,646.07x = 2,956,896.74 × 1,175,767.90
  4. Step 4: Simplify right side
    2,142,646.07x = 3,476,624,266,053.82
  5. Step 5: Solve for x
    x = 3,476,624,266,053.82/2,142,646.07
  6. Step 6: Final answer
    x = 1,622,584.49

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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.