Home / 2,987,852.40-4,475,476.80-2,028,896.64

Finding the Fourth Proportional to 2,987,852.40, 4,475,476.80 and 2,028,896.64

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Solution

The fourth proportional to 2,987,852.40, 4,475,476.80 and 2,028,896.64 is: 3,039,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,852.40 : 4,475,476.80 = 2,028,896.64 : x
  2. Step 2: Convert to fraction form
    2,987,852.40/4,475,476.80 = 2,028,896.64/x
  3. Step 3: Cross multiply
    2,987,852.40x = 4,475,476.80 × 2,028,896.64
  4. Step 4: Simplify right side
    2,987,852.40x = 9,080,279,841,917.95
  5. Step 5: Solve for x
    x = 9,080,279,841,917.95/2,987,852.40
  6. Step 6: Final answer
    x = 3,039,065.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.