Home / 5,571,015.63-7,685,171.75-3,638,407.47

Finding the Fourth Proportional to 5,571,015.63, 7,685,171.75 and 3,638,407.47

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Solution

The fourth proportional to 5,571,015.63, 7,685,171.75 and 3,638,407.47 is: 5,019,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571,015.63 : 7,685,171.75 = 3,638,407.47 : x
  2. Step 2: Convert to fraction form
    5,571,015.63/7,685,171.75 = 3,638,407.47/x
  3. Step 3: Cross multiply
    5,571,015.63x = 7,685,171.75 × 3,638,407.47
  4. Step 4: Simplify right side
    5,571,015.63x = 27,961,786,285,240.94
  5. Step 5: Solve for x
    x = 27,961,786,285,240.94/5,571,015.63
  6. Step 6: Final answer
    x = 5,019,154.16

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1.5x scale

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.