Home / 3,286,393.79-4,535,139.69-1,836,100.05

Finding the Fourth Proportional to 3,286,393.79, 4,535,139.69 and 1,836,100.05

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Solution

The fourth proportional to 3,286,393.79, 4,535,139.69 and 1,836,100.05 is: 2,533,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,393.79 : 4,535,139.69 = 1,836,100.05 : x
  2. Step 2: Convert to fraction form
    3,286,393.79/4,535,139.69 = 1,836,100.05/x
  3. Step 3: Cross multiply
    3,286,393.79x = 4,535,139.69 × 1,836,100.05
  4. Step 4: Simplify right side
    3,286,393.79x = 8,326,970,211,565.99
  5. Step 5: Solve for x
    x = 8,326,970,211,565.99/3,286,393.79
  6. Step 6: Final answer
    x = 2,533,771.29

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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.