Home / 2,818,707.60-3,889,796.76-1,529,515.20

Finding the Fourth Proportional to 2,818,707.60, 3,889,796.76 and 1,529,515.20

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Solution

The fourth proportional to 2,818,707.60, 3,889,796.76 and 1,529,515.20 is: 2,110,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,707.60 : 3,889,796.76 = 1,529,515.20 : x
  2. Step 2: Convert to fraction form
    2,818,707.60/3,889,796.76 = 1,529,515.20/x
  3. Step 3: Cross multiply
    2,818,707.60x = 3,889,796.76 × 1,529,515.20
  4. Step 4: Simplify right side
    2,818,707.60x = 5,949,503,269,330.75
  5. Step 5: Solve for x
    x = 5,949,503,269,330.75/2,818,707.60
  6. Step 6: Final answer
    x = 2,110,720.27

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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.