Home / 3,559,970.77-4,912,783.25-1,928,378.12

Finding the Fourth Proportional to 3,559,970.77, 4,912,783.25 and 1,928,378.12

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Solution

The fourth proportional to 3,559,970.77, 4,912,783.25 and 1,928,378.12 is: 2,661,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,970.77 : 4,912,783.25 = 1,928,378.12 : x
  2. Step 2: Convert to fraction form
    3,559,970.77/4,912,783.25 = 1,928,378.12/x
  3. Step 3: Cross multiply
    3,559,970.77x = 4,912,783.25 × 1,928,378.12
  4. Step 4: Simplify right side
    3,559,970.77x = 9,473,703,693,396.68
  5. Step 5: Solve for x
    x = 9,473,703,693,396.68/3,559,970.77
  6. Step 6: Final answer
    x = 2,661,174.57

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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.