Home / 2,015,061.30-3,018,655.35-1,213,963.20

Finding the Fourth Proportional to 2,015,061.30, 3,018,655.35 and 1,213,963.20

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Solution

The fourth proportional to 2,015,061.30, 3,018,655.35 and 1,213,963.20 is: 1,818,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,061.30 : 3,018,655.35 = 1,213,963.20 : x
  2. Step 2: Convert to fraction form
    2,015,061.30/3,018,655.35 = 1,213,963.20/x
  3. Step 3: Cross multiply
    2,015,061.30x = 3,018,655.35 × 1,213,963.20
  4. Step 4: Simplify right side
    2,015,061.30x = 3,664,536,508,383.12
  5. Step 5: Solve for x
    x = 3,664,536,508,383.12/2,015,061.30
  6. Step 6: Final answer
    x = 1,818,573.22

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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.