Home / 3,132,381.20-4,698,571.80-1,715,205.20

Finding the Fourth Proportional to 3,132,381.20, 4,698,571.80 and 1,715,205.20

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Solution

The fourth proportional to 3,132,381.20, 4,698,571.80 and 1,715,205.20 is: 2,572,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,381.20 : 4,698,571.80 = 1,715,205.20 : x
  2. Step 2: Convert to fraction form
    3,132,381.20/4,698,571.80 = 1,715,205.20/x
  3. Step 3: Cross multiply
    3,132,381.20x = 4,698,571.80 × 1,715,205.20
  4. Step 4: Simplify right side
    3,132,381.20x = 8,059,014,783,933.36
  5. Step 5: Solve for x
    x = 8,059,014,783,933.36/3,132,381.20
  6. Step 6: Final answer
    x = 2,572,807.80

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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.