Home / 3,908,139.84-5,861,507.04-1,383,808.32

Finding the Fourth Proportional to 3,908,139.84, 5,861,507.04 and 1,383,808.32

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Solution

The fourth proportional to 3,908,139.84, 5,861,507.04 and 1,383,808.32 is: 2,075,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,139.84 : 5,861,507.04 = 1,383,808.32 : x
  2. Step 2: Convert to fraction form
    3,908,139.84/5,861,507.04 = 1,383,808.32/x
  3. Step 3: Cross multiply
    3,908,139.84x = 5,861,507.04 × 1,383,808.32
  4. Step 4: Simplify right side
    3,908,139.84x = 8,111,202,209,690.57
  5. Step 5: Solve for x
    x = 8,111,202,209,690.57/3,908,139.84
  6. Step 6: Final answer
    x = 2,075,463.66

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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.