Home / 2,087,893.25-2,881,243.68-1,228,509.17

Finding the Fourth Proportional to 2,087,893.25, 2,881,243.68 and 1,228,509.17

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Solution

The fourth proportional to 2,087,893.25, 2,881,243.68 and 1,228,509.17 is: 1,695,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,893.25 : 2,881,243.68 = 1,228,509.17 : x
  2. Step 2: Convert to fraction form
    2,087,893.25/2,881,243.68 = 1,228,509.17/x
  3. Step 3: Cross multiply
    2,087,893.25x = 2,881,243.68 × 1,228,509.17
  4. Step 4: Simplify right side
    2,087,893.25x = 3,539,634,281,884.55
  5. Step 5: Solve for x
    x = 3,539,634,281,884.55/2,087,893.25
  6. Step 6: Final answer
    x = 1,695,313.82

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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.