Home / 5,185,006.40-7,777,509.60-2,193,190.40

Finding the Fourth Proportional to 5,185,006.40, 7,777,509.60 and 2,193,190.40

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Solution

The fourth proportional to 5,185,006.40, 7,777,509.60 and 2,193,190.40 is: 3,289,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,006.40 : 7,777,509.60 = 2,193,190.40 : x
  2. Step 2: Convert to fraction form
    5,185,006.40/7,777,509.60 = 2,193,190.40/x
  3. Step 3: Cross multiply
    5,185,006.40x = 7,777,509.60 × 2,193,190.40
  4. Step 4: Simplify right side
    5,185,006.40x = 17,057,559,390,627.84
  5. Step 5: Solve for x
    x = 17,057,559,390,627.84/5,185,006.40
  6. Step 6: Final answer
    x = 3,289,785.60

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1.5x scale

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.