Home / 2,175,719.79-3,002,439.35-1,208,852.40

Finding the Fourth Proportional to 2,175,719.79, 3,002,439.35 and 1,208,852.40

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Solution

The fourth proportional to 2,175,719.79, 3,002,439.35 and 1,208,852.40 is: 1,668,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,719.79 : 3,002,439.35 = 1,208,852.40 : x
  2. Step 2: Convert to fraction form
    2,175,719.79/3,002,439.35 = 1,208,852.40/x
  3. Step 3: Cross multiply
    2,175,719.79x = 3,002,439.35 × 1,208,852.40
  4. Step 4: Simplify right side
    2,175,719.79x = 3,629,506,008,057.68
  5. Step 5: Solve for x
    x = 3,629,506,008,057.68/2,175,719.79
  6. Step 6: Final answer
    x = 1,668,186.33

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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.