Home / 1,845,964.96-2,769,240.18-781,015

Finding the Fourth Proportional to 1,845,964.96, 2,769,240.18 and 781,015

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Solution

The fourth proportional to 1,845,964.96, 2,769,240.18 and 781,015 is: 1,171,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,964.96 : 2,769,240.18 = 781,015 : x
  2. Step 2: Convert to fraction form
    1,845,964.96/2,769,240.18 = 781,015/x
  3. Step 3: Cross multiply
    1,845,964.96x = 2,769,240.18 × 781,015
  4. Step 4: Simplify right side
    1,845,964.96x = 2,162,818,119,182.70
  5. Step 5: Solve for x
    x = 2,162,818,119,182.70/1,845,964.96
  6. Step 6: Final answer
    x = 1,171,646.36

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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.