Home / 2,190,172.93-3,022,406.81-1,223,316.97

Finding the Fourth Proportional to 2,190,172.93, 3,022,406.81 and 1,223,316.97

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Solution

The fourth proportional to 2,190,172.93, 3,022,406.81 and 1,223,316.97 is: 1,688,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,172.93 : 3,022,406.81 = 1,223,316.97 : x
  2. Step 2: Convert to fraction form
    2,190,172.93/3,022,406.81 = 1,223,316.97/x
  3. Step 3: Cross multiply
    2,190,172.93x = 3,022,406.81 × 1,223,316.97
  4. Step 4: Simplify right side
    2,190,172.93x = 3,697,361,534,799.98
  5. Step 5: Solve for x
    x = 3,697,361,534,799.98/2,190,172.93
  6. Step 6: Final answer
    x = 1,688,159.64

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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.