Home / 2,159,659.84-2,980,273.54-1,192,769.32

Finding the Fourth Proportional to 2,159,659.84, 2,980,273.54 and 1,192,769.32

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Solution

The fourth proportional to 2,159,659.84, 2,980,273.54 and 1,192,769.32 is: 1,645,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,659.84 : 2,980,273.54 = 1,192,769.32 : x
  2. Step 2: Convert to fraction form
    2,159,659.84/2,980,273.54 = 1,192,769.32/x
  3. Step 3: Cross multiply
    2,159,659.84x = 2,980,273.54 × 1,192,769.32
  4. Step 4: Simplify right side
    2,159,659.84x = 3,554,778,843,719.79
  5. Step 5: Solve for x
    x = 3,554,778,843,719.79/2,159,659.84
  6. Step 6: Final answer
    x = 1,645,990.16

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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.