Home / 2,087,758.14-2,881,059.21-1,216,538.88

Finding the Fourth Proportional to 2,087,758.14, 2,881,059.21 and 1,216,538.88

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Solution

The fourth proportional to 2,087,758.14, 2,881,059.21 and 1,216,538.88 is: 1,678,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,758.14 : 2,881,059.21 = 1,216,538.88 : x
  2. Step 2: Convert to fraction form
    2,087,758.14/2,881,059.21 = 1,216,538.88/x
  3. Step 3: Cross multiply
    2,087,758.14x = 2,881,059.21 × 1,216,538.88
  4. Step 4: Simplify right side
    2,087,758.14x = 3,504,920,544,547.08
  5. Step 5: Solve for x
    x = 3,504,920,544,547.08/2,087,758.14
  6. Step 6: Final answer
    x = 1,678,796.25

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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.