Home / 3,118,561.80-4,677,842.70-2,110,792.20

Finding the Fourth Proportional to 3,118,561.80, 4,677,842.70 and 2,110,792.20

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Solution

The fourth proportional to 3,118,561.80, 4,677,842.70 and 2,110,792.20 is: 3,166,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,561.80 : 4,677,842.70 = 2,110,792.20 : x
  2. Step 2: Convert to fraction form
    3,118,561.80/4,677,842.70 = 2,110,792.20/x
  3. Step 3: Cross multiply
    3,118,561.80x = 4,677,842.70 × 2,110,792.20
  4. Step 4: Simplify right side
    3,118,561.80x = 9,873,953,883,986.94
  5. Step 5: Solve for x
    x = 9,873,953,883,986.94/3,118,561.80
  6. Step 6: Final answer
    x = 3,166,188.30

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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.