Home / 2,745,130.87-3,788,280.97-1,521,515.31

Finding the Fourth Proportional to 2,745,130.87, 3,788,280.97 and 1,521,515.31

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Solution

The fourth proportional to 2,745,130.87, 3,788,280.97 and 1,521,515.31 is: 2,099,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745,130.87 : 3,788,280.97 = 1,521,515.31 : x
  2. Step 2: Convert to fraction form
    2,745,130.87/3,788,280.97 = 1,521,515.31/x
  3. Step 3: Cross multiply
    2,745,130.87x = 3,788,280.97 × 1,521,515.31
  4. Step 4: Simplify right side
    2,745,130.87x = 5,763,927,467,887.67
  5. Step 5: Solve for x
    x = 5,763,927,467,887.67/2,745,130.87
  6. Step 6: Final answer
    x = 2,099,691.32

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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.