Home / 2,763,885.16-3,812,131.28-1,831,907.42

Finding the Fourth Proportional to 2,763,885.16, 3,812,131.28 and 1,831,907.42

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Solution

The fourth proportional to 2,763,885.16, 3,812,131.28 and 1,831,907.42 is: 2,526,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,885.16 : 3,812,131.28 = 1,831,907.42 : x
  2. Step 2: Convert to fraction form
    2,763,885.16/3,812,131.28 = 1,831,907.42/x
  3. Step 3: Cross multiply
    2,763,885.16x = 3,812,131.28 × 1,831,907.42
  4. Step 4: Simplify right side
    2,763,885.16x = 6,983,471,577,846.10
  5. Step 5: Solve for x
    x = 6,983,471,577,846.10/2,763,885.16
  6. Step 6: Final answer
    x = 2,526,686.59

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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.