Home / 5,178,427.94-7,767,361.10-1,584,195.20

Finding the Fourth Proportional to 5,178,427.94, 7,767,361.10 and 1,584,195.20

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Solution

The fourth proportional to 5,178,427.94, 7,767,361.10 and 1,584,195.20 is: 2,376,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,427.94 : 7,767,361.10 = 1,584,195.20 : x
  2. Step 2: Convert to fraction form
    5,178,427.94/7,767,361.10 = 1,584,195.20/x
  3. Step 3: Cross multiply
    5,178,427.94x = 7,767,361.10 × 1,584,195.20
  4. Step 4: Simplify right side
    5,178,427.94x = 12,305,016,124,528.94
  5. Step 5: Solve for x
    x = 12,305,016,124,528.94/5,178,427.94
  6. Step 6: Final answer
    x = 2,376,206.89

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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.