Home / 3,990,085.79-5,985,970.47-1,294,201.67

Finding the Fourth Proportional to 3,990,085.79, 5,985,970.47 and 1,294,201.67

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Solution

The fourth proportional to 3,990,085.79, 5,985,970.47 and 1,294,201.67 is: 1,941,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,085.79 : 5,985,970.47 = 1,294,201.67 : x
  2. Step 2: Convert to fraction form
    3,990,085.79/5,985,970.47 = 1,294,201.67/x
  3. Step 3: Cross multiply
    3,990,085.79x = 5,985,970.47 × 1,294,201.67
  4. Step 4: Simplify right side
    3,990,085.79x = 7,747,052,948,914.83
  5. Step 5: Solve for x
    x = 7,747,052,948,914.83/3,990,085.79
  6. Step 6: Final answer
    x = 1,941,575.54

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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.