Home / 3,905,806.40-5,872,706.40-3,289,947.20

Finding the Fourth Proportional to 3,905,806.40, 5,872,706.40 and 3,289,947.20

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Solution

The fourth proportional to 3,905,806.40, 5,872,706.40 and 3,289,947.20 is: 4,946,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,806.40 : 5,872,706.40 = 3,289,947.20 : x
  2. Step 2: Convert to fraction form
    3,905,806.40/5,872,706.40 = 3,289,947.20/x
  3. Step 3: Cross multiply
    3,905,806.40x = 5,872,706.40 × 3,289,947.20
  4. Step 4: Simplify right side
    3,905,806.40x = 19,320,893,977,102.08
  5. Step 5: Solve for x
    x = 19,320,893,977,102.08/3,905,806.40
  6. Step 6: Final answer
    x = 4,946,710.61

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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.