Home / 2,117,249.47-3,174,088.96-918,268.75

Finding the Fourth Proportional to 2,117,249.47, 3,174,088.96 and 918,268.75

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Solution

The fourth proportional to 2,117,249.47, 3,174,088.96 and 918,268.75 is: 1,376,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,249.47 : 3,174,088.96 = 918,268.75 : x
  2. Step 2: Convert to fraction form
    2,117,249.47/3,174,088.96 = 918,268.75/x
  3. Step 3: Cross multiply
    2,117,249.47x = 3,174,088.96 × 918,268.75
  4. Step 4: Simplify right side
    2,117,249.47x = 2,914,666,701,688
  5. Step 5: Solve for x
    x = 2,914,666,701,688/2,117,249.47
  6. Step 6: Final answer
    x = 1,376,628.85

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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.