Home / 5,148,153.72-7,104,432.78-2,825,085.33

Finding the Fourth Proportional to 5,148,153.72, 7,104,432.78 and 2,825,085.33

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Solution

The fourth proportional to 5,148,153.72, 7,104,432.78 and 2,825,085.33 is: 3,898,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,153.72 : 7,104,432.78 = 2,825,085.33 : x
  2. Step 2: Convert to fraction form
    5,148,153.72/7,104,432.78 = 2,825,085.33/x
  3. Step 3: Cross multiply
    5,148,153.72x = 7,104,432.78 × 2,825,085.33
  4. Step 4: Simplify right side
    5,148,153.72x = 20,070,628,824,749.12
  5. Step 5: Solve for x
    x = 20,070,628,824,749.12/5,148,153.72
  6. Step 6: Final answer
    x = 3,898,607.13

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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.