Home / 3,389,281.90-4,677,245.51-1,861,389.02

Finding the Fourth Proportional to 3,389,281.90, 4,677,245.51 and 1,861,389.02

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Solution

The fourth proportional to 3,389,281.90, 4,677,245.51 and 1,861,389.02 is: 2,568,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,281.90 : 4,677,245.51 = 1,861,389.02 : x
  2. Step 2: Convert to fraction form
    3,389,281.90/4,677,245.51 = 1,861,389.02/x
  3. Step 3: Cross multiply
    3,389,281.90x = 4,677,245.51 × 1,861,389.02
  4. Step 4: Simplify right side
    3,389,281.90x = 8,706,173,438,544.47
  5. Step 5: Solve for x
    x = 8,706,173,438,544.47/3,389,281.90
  6. Step 6: Final answer
    x = 2,568,736.89

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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.