Home / 3,186,526.87-4,781,783.21-1,293,268.31

Finding the Fourth Proportional to 3,186,526.87, 4,781,783.21 and 1,293,268.31

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Solution

The fourth proportional to 3,186,526.87, 4,781,783.21 and 1,293,268.31 is: 1,940,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,526.87 : 4,781,783.21 = 1,293,268.31 : x
  2. Step 2: Convert to fraction form
    3,186,526.87/4,781,783.21 = 1,293,268.31/x
  3. Step 3: Cross multiply
    3,186,526.87x = 4,781,783.21 × 1,293,268.31
  4. Step 4: Simplify right side
    3,186,526.87x = 6,184,128,685,614.14
  5. Step 5: Solve for x
    x = 6,184,128,685,614.14/3,186,526.87
  6. Step 6: Final answer
    x = 1,940,711.29

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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.