Home / 3,480,510.78-5,220,555.21-2,069,545.50

Finding the Fourth Proportional to 3,480,510.78, 5,220,555.21 and 2,069,545.50

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Solution

The fourth proportional to 3,480,510.78, 5,220,555.21 and 2,069,545.50 is: 3,104,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,510.78 : 5,220,555.21 = 2,069,545.50 : x
  2. Step 2: Convert to fraction form
    3,480,510.78/5,220,555.21 = 2,069,545.50/x
  3. Step 3: Cross multiply
    3,480,510.78x = 5,220,555.21 × 2,069,545.50
  4. Step 4: Simplify right side
    3,480,510.78x = 10,804,176,542,357.05
  5. Step 5: Solve for x
    x = 10,804,176,542,357.05/3,480,510.78
  6. Step 6: Final answer
    x = 3,104,192.81

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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.