Home / 2,121,317.30-2,926,905.81-1,250,187.81

Finding the Fourth Proportional to 2,121,317.30, 2,926,905.81 and 1,250,187.81

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Solution

The fourth proportional to 2,121,317.30, 2,926,905.81 and 1,250,187.81 is: 1,724,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,317.30 : 2,926,905.81 = 1,250,187.81 : x
  2. Step 2: Convert to fraction form
    2,121,317.30/2,926,905.81 = 1,250,187.81/x
  3. Step 3: Cross multiply
    2,121,317.30x = 2,926,905.81 × 1,250,187.81
  4. Step 4: Simplify right side
    2,121,317.30x = 3,659,181,964,680.18
  5. Step 5: Solve for x
    x = 3,659,181,964,680.18/2,121,317.30
  6. Step 6: Final answer
    x = 1,724,957.40

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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.