Home / 1,581,639.84-2,182,662.45-856,487.37

Finding the Fourth Proportional to 1,581,639.84, 2,182,662.45 and 856,487.37

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Solution

The fourth proportional to 1,581,639.84, 2,182,662.45 and 856,487.37 is: 1,181,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,639.84 : 2,182,662.45 = 856,487.37 : x
  2. Step 2: Convert to fraction form
    1,581,639.84/2,182,662.45 = 856,487.37/x
  3. Step 3: Cross multiply
    1,581,639.84x = 2,182,662.45 × 856,487.37
  4. Step 4: Simplify right side
    1,581,639.84x = 1,869,422,817,305.76
  5. Step 5: Solve for x
    x = 1,869,422,817,305.76/1,581,639.84
  6. Step 6: Final answer
    x = 1,181,952.28

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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.