Home / 3,378,975.07-5,070,127.89-1,581,980.19

Finding the Fourth Proportional to 3,378,975.07, 5,070,127.89 and 1,581,980.19

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Solution

The fourth proportional to 3,378,975.07, 5,070,127.89 and 1,581,980.19 is: 2,373,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,975.07 : 5,070,127.89 = 1,581,980.19 : x
  2. Step 2: Convert to fraction form
    3,378,975.07/5,070,127.89 = 1,581,980.19/x
  3. Step 3: Cross multiply
    3,378,975.07x = 5,070,127.89 × 1,581,980.19
  4. Step 4: Simplify right side
    3,378,975.07x = 8,020,841,874,836.60
  5. Step 5: Solve for x
    x = 8,020,841,874,836.60/3,378,975.07
  6. Step 6: Final answer
    x = 2,373,749.94

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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.