Home / 1,963,326.46-2,709,871.44-1,200,019.72

Finding the Fourth Proportional to 1,963,326.46, 2,709,871.44 and 1,200,019.72

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Solution

The fourth proportional to 1,963,326.46, 2,709,871.44 and 1,200,019.72 is: 1,656,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,326.46 : 2,709,871.44 = 1,200,019.72 : x
  2. Step 2: Convert to fraction form
    1,963,326.46/2,709,871.44 = 1,200,019.72/x
  3. Step 3: Cross multiply
    1,963,326.46x = 2,709,871.44 × 1,200,019.72
  4. Step 4: Simplify right side
    1,963,326.46x = 3,251,899,166,664.80
  5. Step 5: Solve for x
    x = 3,251,899,166,664.80/1,963,326.46
  6. Step 6: Final answer
    x = 1,656,321.16

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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.