Home / 2,668,405.78-3,682,117.41-1,506,781.64

Finding the Fourth Proportional to 2,668,405.78, 3,682,117.41 and 1,506,781.64

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Solution

The fourth proportional to 2,668,405.78, 3,682,117.41 and 1,506,781.64 is: 2,079,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,405.78 : 3,682,117.41 = 1,506,781.64 : x
  2. Step 2: Convert to fraction form
    2,668,405.78/3,682,117.41 = 1,506,781.64/x
  3. Step 3: Cross multiply
    2,668,405.78x = 3,682,117.41 × 1,506,781.64
  4. Step 4: Simplify right side
    2,668,405.78x = 5,548,146,925,980.68
  5. Step 5: Solve for x
    x = 5,548,146,925,980.68/2,668,405.78
  6. Step 6: Final answer
    x = 2,079,199.11

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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.