Home / 3,134,666.78-4,701,979.60-860,013.26

Finding the Fourth Proportional to 3,134,666.78, 4,701,979.60 and 860,013.26

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Solution

The fourth proportional to 3,134,666.78, 4,701,979.60 and 860,013.26 is: 1,290,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,666.78 : 4,701,979.60 = 860,013.26 : x
  2. Step 2: Convert to fraction form
    3,134,666.78/4,701,979.60 = 860,013.26/x
  3. Step 3: Cross multiply
    3,134,666.78x = 4,701,979.60 × 860,013.26
  4. Step 4: Simplify right side
    3,134,666.78x = 4,043,764,778,589.57
  5. Step 5: Solve for x
    x = 4,043,764,778,589.57/3,134,666.78
  6. Step 6: Final answer
    x = 1,290,014.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.