Home / 3,388,788.70-5,083,150.65-830,014.90

Finding the Fourth Proportional to 3,388,788.70, 5,083,150.65 and 830,014.90

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Solution

The fourth proportional to 3,388,788.70, 5,083,150.65 and 830,014.90 is: 1,245,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,788.70 : 5,083,150.65 = 830,014.90 : x
  2. Step 2: Convert to fraction form
    3,388,788.70/5,083,150.65 = 830,014.90/x
  3. Step 3: Cross multiply
    3,388,788.70x = 5,083,150.65 × 830,014.90
  4. Step 4: Simplify right side
    3,388,788.70x = 4,219,090,778,444.69
  5. Step 5: Solve for x
    x = 4,219,090,778,444.69/3,388,788.70
  6. Step 6: Final answer
    x = 1,245,014.41

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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.