Home / 5,215,787.80-7,823,681.70-3,302,600.20

Finding the Fourth Proportional to 5,215,787.80, 7,823,681.70 and 3,302,600.20

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Solution

The fourth proportional to 5,215,787.80, 7,823,681.70 and 3,302,600.20 is: 4,953,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,787.80 : 7,823,681.70 = 3,302,600.20 : x
  2. Step 2: Convert to fraction form
    5,215,787.80/7,823,681.70 = 3,302,600.20/x
  3. Step 3: Cross multiply
    5,215,787.80x = 7,823,681.70 × 3,302,600.20
  4. Step 4: Simplify right side
    5,215,787.80x = 25,838,492,747,156.34
  5. Step 5: Solve for x
    x = 25,838,492,747,156.34/5,215,787.80
  6. Step 6: Final answer
    x = 4,953,900.30

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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.