Home / 2,590,938.91-3,885,566.32-861,344.47

Finding the Fourth Proportional to 2,590,938.91, 3,885,566.32 and 861,344.47

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Solution

The fourth proportional to 2,590,938.91, 3,885,566.32 and 861,344.47 is: 1,291,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,938.91 : 3,885,566.32 = 861,344.47 : x
  2. Step 2: Convert to fraction form
    2,590,938.91/3,885,566.32 = 861,344.47/x
  3. Step 3: Cross multiply
    2,590,938.91x = 3,885,566.32 × 861,344.47
  4. Step 4: Simplify right side
    2,590,938.91x = 3,346,811,062,550.25
  5. Step 5: Solve for x
    x = 3,346,811,062,550.25/2,590,938.91
  6. Step 6: Final answer
    x = 1,291,736.77

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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.