Home / 1,983,727.31-2,735,009.40-1,284,773.20

Finding the Fourth Proportional to 1,983,727.31, 2,735,009.40 and 1,284,773.20

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Solution

The fourth proportional to 1,983,727.31, 2,735,009.40 and 1,284,773.20 is: 1,771,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,727.31 : 2,735,009.40 = 1,284,773.20 : x
  2. Step 2: Convert to fraction form
    1,983,727.31/2,735,009.40 = 1,284,773.20/x
  3. Step 3: Cross multiply
    1,983,727.31x = 2,735,009.40 × 1,284,773.20
  4. Step 4: Simplify right side
    1,983,727.31x = 3,513,866,769,621.61
  5. Step 5: Solve for x
    x = 3,513,866,769,621.61/1,983,727.31
  6. Step 6: Final answer
    x = 1,771,345.66

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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.