Home / 2,087,459.20-3,130,201.86-808,665.64

Finding the Fourth Proportional to 2,087,459.20, 3,130,201.86 and 808,665.64

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Solution

The fourth proportional to 2,087,459.20, 3,130,201.86 and 808,665.64 is: 1,212,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,459.20 : 3,130,201.86 = 808,665.64 : x
  2. Step 2: Convert to fraction form
    2,087,459.20/3,130,201.86 = 808,665.64/x
  3. Step 3: Cross multiply
    2,087,459.20x = 3,130,201.86 × 808,665.64
  4. Step 4: Simplify right side
    2,087,459.20x = 2,531,286,690,446.09
  5. Step 5: Solve for x
    x = 2,531,286,690,446.09/2,087,459.20
  6. Step 6: Final answer
    x = 1,212,616.13

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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.