Home / 5,173,811.44-7,139,866.38-2,818,998.04

Finding the Fourth Proportional to 5,173,811.44, 7,139,866.38 and 2,818,998.04

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Solution

The fourth proportional to 5,173,811.44, 7,139,866.38 and 2,818,998.04 is: 3,890,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,811.44 : 7,139,866.38 = 2,818,998.04 : x
  2. Step 2: Convert to fraction form
    5,173,811.44/7,139,866.38 = 2,818,998.04/x
  3. Step 3: Cross multiply
    5,173,811.44x = 7,139,866.38 × 2,818,998.04
  4. Step 4: Simplify right side
    5,173,811.44x = 20,127,269,331,081.89
  5. Step 5: Solve for x
    x = 20,127,269,331,081.89/5,173,811.44
  6. Step 6: Final answer
    x = 3,890,220.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.