Home / 1,915,538.07-2,875,177.03-1,581,976.83

Finding the Fourth Proportional to 1,915,538.07, 2,875,177.03 and 1,581,976.83

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Solution

The fourth proportional to 1,915,538.07, 2,875,177.03 and 1,581,976.83 is: 2,374,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,538.07 : 2,875,177.03 = 1,581,976.83 : x
  2. Step 2: Convert to fraction form
    1,915,538.07/2,875,177.03 = 1,581,976.83/x
  3. Step 3: Cross multiply
    1,915,538.07x = 2,875,177.03 × 1,581,976.83
  4. Step 4: Simplify right side
    1,915,538.07x = 4,548,463,443,608.22
  5. Step 5: Solve for x
    x = 4,548,463,443,608.22/1,915,538.07
  6. Step 6: Final answer
    x = 2,374,509.55

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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.