Home / 2,818,973.13-3,890,185.65-1,529,813.78

Finding the Fourth Proportional to 2,818,973.13, 3,890,185.65 and 1,529,813.78

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Solution

The fourth proportional to 2,818,973.13, 3,890,185.65 and 1,529,813.78 is: 2,111,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,973.13 : 3,890,185.65 = 1,529,813.78 : x
  2. Step 2: Convert to fraction form
    2,818,973.13/3,890,185.65 = 1,529,813.78/x
  3. Step 3: Cross multiply
    2,818,973.13x = 3,890,185.65 × 1,529,813.78
  4. Step 4: Simplify right side
    2,818,973.13x = 5,951,259,614,128.26
  5. Step 5: Solve for x
    x = 5,951,259,614,128.26/2,818,973.13
  6. Step 6: Final answer
    x = 2,111,144.50

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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.