Home / 3,005,874.84-4,147,664.40-1,827,872.76

Finding the Fourth Proportional to 3,005,874.84, 4,147,664.40 and 1,827,872.76

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Solution

The fourth proportional to 3,005,874.84, 4,147,664.40 and 1,827,872.76 is: 2,522,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,874.84 : 4,147,664.40 = 1,827,872.76 : x
  2. Step 2: Convert to fraction form
    3,005,874.84/4,147,664.40 = 1,827,872.76/x
  3. Step 3: Cross multiply
    3,005,874.84x = 4,147,664.40 × 1,827,872.76
  4. Step 4: Simplify right side
    3,005,874.84x = 7,581,402,774,381.74
  5. Step 5: Solve for x
    x = 7,581,402,774,381.74/3,005,874.84
  6. Step 6: Final answer
    x = 2,522,195.09

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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.