Home / 3,221,070.85-4,444,813.56-1,896,284.31

Finding the Fourth Proportional to 3,221,070.85, 4,444,813.56 and 1,896,284.31

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Solution

The fourth proportional to 3,221,070.85, 4,444,813.56 and 1,896,284.31 is: 2,616,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,070.85 : 4,444,813.56 = 1,896,284.31 : x
  2. Step 2: Convert to fraction form
    3,221,070.85/4,444,813.56 = 1,896,284.31/x
  3. Step 3: Cross multiply
    3,221,070.85x = 4,444,813.56 × 1,896,284.31
  4. Step 4: Simplify right side
    3,221,070.85x = 8,428,630,182,997.75
  5. Step 5: Solve for x
    x = 8,428,630,182,997.75/3,221,070.85
  6. Step 6: Final answer
    x = 2,616,716.80

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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.