Home / 3,999,762.57-5,519,657.09-2,164,224.40

Finding the Fourth Proportional to 3,999,762.57, 5,519,657.09 and 2,164,224.40

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Solution

The fourth proportional to 3,999,762.57, 5,519,657.09 and 2,164,224.40 is: 2,986,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,762.57 : 5,519,657.09 = 2,164,224.40 : x
  2. Step 2: Convert to fraction form
    3,999,762.57/5,519,657.09 = 2,164,224.40/x
  3. Step 3: Cross multiply
    3,999,762.57x = 5,519,657.09 × 2,164,224.40
  4. Step 4: Simplify right side
    3,999,762.57x = 11,945,776,564,296.72
  5. Step 5: Solve for x
    x = 11,945,776,564,296.72/3,999,762.57
  6. Step 6: Final answer
    x = 2,986,621.42

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1.5x scale

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.