Home / 2,915,835.30-4,373,254.45-785,421.18

Finding the Fourth Proportional to 2,915,835.30, 4,373,254.45 and 785,421.18

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Solution

The fourth proportional to 2,915,835.30, 4,373,254.45 and 785,421.18 is: 1,177,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,835.30 : 4,373,254.45 = 785,421.18 : x
  2. Step 2: Convert to fraction form
    2,915,835.30/4,373,254.45 = 785,421.18/x
  3. Step 3: Cross multiply
    2,915,835.30x = 4,373,254.45 × 785,421.18
  4. Step 4: Simplify right side
    2,915,835.30x = 3,434,846,670,559.25
  5. Step 5: Solve for x
    x = 3,434,846,670,559.25/2,915,835.30
  6. Step 6: Final answer
    x = 1,177,997.49

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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.