Home / 2,820,564.24-3,892,356.36-1,531,378.52

Finding the Fourth Proportional to 2,820,564.24, 3,892,356.36 and 1,531,378.52

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Solution

The fourth proportional to 2,820,564.24, 3,892,356.36 and 1,531,378.52 is: 2,113,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,564.24 : 3,892,356.36 = 1,531,378.52 : x
  2. Step 2: Convert to fraction form
    2,820,564.24/3,892,356.36 = 1,531,378.52/x
  3. Step 3: Cross multiply
    2,820,564.24x = 3,892,356.36 × 1,531,378.52
  4. Step 4: Simplify right side
    2,820,564.24x = 5,960,670,921,889.39
  5. Step 5: Solve for x
    x = 5,960,670,921,889.39/2,820,564.24
  6. Step 6: Final answer
    x = 2,113,290.25

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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.