Home / 3,860,143.40-5,790,263.70-1,020,230.48

Finding the Fourth Proportional to 3,860,143.40, 5,790,263.70 and 1,020,230.48

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Solution

The fourth proportional to 3,860,143.40, 5,790,263.70 and 1,020,230.48 is: 1,530,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,143.40 : 5,790,263.70 = 1,020,230.48 : x
  2. Step 2: Convert to fraction form
    3,860,143.40/5,790,263.70 = 1,020,230.48/x
  3. Step 3: Cross multiply
    3,860,143.40x = 5,790,263.70 × 1,020,230.48
  4. Step 4: Simplify right side
    3,860,143.40x = 5,907,403,513,977.58
  5. Step 5: Solve for x
    x = 5,907,403,513,977.58/3,860,143.40
  6. Step 6: Final answer
    x = 1,530,358.56

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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.