Home / 1,920,342.09-2,881,287.69-854,655.27

Finding the Fourth Proportional to 1,920,342.09, 2,881,287.69 and 854,655.27

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Solution

The fourth proportional to 1,920,342.09, 2,881,287.69 and 854,655.27 is: 1,282,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,342.09 : 2,881,287.69 = 854,655.27 : x
  2. Step 2: Convert to fraction form
    1,920,342.09/2,881,287.69 = 854,655.27/x
  3. Step 3: Cross multiply
    1,920,342.09x = 2,881,287.69 × 854,655.27
  4. Step 4: Simplify right side
    1,920,342.09x = 2,462,507,708,644.63
  5. Step 5: Solve for x
    x = 2,462,507,708,644.63/1,920,342.09
  6. Step 6: Final answer
    x = 1,282,327.62

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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.