Home / 2,818,712.60-3,889,803.66-1,529,520.20

Finding the Fourth Proportional to 2,818,712.60, 3,889,803.66 and 1,529,520.20

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Solution

The fourth proportional to 2,818,712.60, 3,889,803.66 and 1,529,520.20 is: 2,110,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,712.60 : 3,889,803.66 = 1,529,520.20 : x
  2. Step 2: Convert to fraction form
    2,818,712.60/3,889,803.66 = 1,529,520.20/x
  3. Step 3: Cross multiply
    2,818,712.60x = 3,889,803.66 × 1,529,520.20
  4. Step 4: Simplify right side
    2,818,712.60x = 5,949,533,272,003.93
  5. Step 5: Solve for x
    x = 5,949,533,272,003.93/2,818,712.60
  6. Step 6: Final answer
    x = 2,110,727.17

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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.