Home / 1,887,244.26-2,604,470.81-1,071,523.86

Finding the Fourth Proportional to 1,887,244.26, 2,604,470.81 and 1,071,523.86

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Solution

The fourth proportional to 1,887,244.26, 2,604,470.81 and 1,071,523.86 is: 1,478,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,244.26 : 2,604,470.81 = 1,071,523.86 : x
  2. Step 2: Convert to fraction form
    1,887,244.26/2,604,470.81 = 1,071,523.86/x
  3. Step 3: Cross multiply
    1,887,244.26x = 2,604,470.81 × 1,071,523.86
  4. Step 4: Simplify right side
    1,887,244.26x = 2,790,752,628,466.69
  5. Step 5: Solve for x
    x = 2,790,752,628,466.69/1,887,244.26
  6. Step 6: Final answer
    x = 1,478,744.79

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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.