Home / 2,887,665.36-3,983,234.80-1,854,825.44

Finding the Fourth Proportional to 2,887,665.36, 3,983,234.80 and 1,854,825.44

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Solution

The fourth proportional to 2,887,665.36, 3,983,234.80 and 1,854,825.44 is: 2,558,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,665.36 : 3,983,234.80 = 1,854,825.44 : x
  2. Step 2: Convert to fraction form
    2,887,665.36/3,983,234.80 = 1,854,825.44/x
  3. Step 3: Cross multiply
    2,887,665.36x = 3,983,234.80 × 1,854,825.44
  4. Step 4: Simplify right side
    2,887,665.36x = 7,388,205,240,533.31
  5. Step 5: Solve for x
    x = 7,388,205,240,533.31/2,887,665.36
  6. Step 6: Final answer
    x = 2,558,539.28

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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.