Home / 3,123,155-4,658,479.30-2,836,133.12

Finding the Fourth Proportional to 3,123,155, 4,658,479.30 and 2,836,133.12

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Solution

The fourth proportional to 3,123,155, 4,658,479.30 and 2,836,133.12 is: 4,230,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,155 : 4,658,479.30 = 2,836,133.12 : x
  2. Step 2: Convert to fraction form
    3,123,155/4,658,479.30 = 2,836,133.12/x
  3. Step 3: Cross multiply
    3,123,155x = 4,658,479.30 × 2,836,133.12
  4. Step 4: Simplify right side
    3,123,155x = 13,212,067,431,564.42
  5. Step 5: Solve for x
    x = 13,212,067,431,564.42/3,123,155
  6. Step 6: Final answer
    x = 4,230,359.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.