Home / 2,912,545.02-4,019,338.78-1,605,843.96

Finding the Fourth Proportional to 2,912,545.02, 4,019,338.78 and 1,605,843.96

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Solution

The fourth proportional to 2,912,545.02, 4,019,338.78 and 1,605,843.96 is: 2,216,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,545.02 : 4,019,338.78 = 1,605,843.96 : x
  2. Step 2: Convert to fraction form
    2,912,545.02/4,019,338.78 = 1,605,843.96/x
  3. Step 3: Cross multiply
    2,912,545.02x = 4,019,338.78 × 1,605,843.96
  4. Step 4: Simplify right side
    2,912,545.02x = 6,454,430,903,056.77
  5. Step 5: Solve for x
    x = 6,454,430,903,056.77/2,912,545.02
  6. Step 6: Final answer
    x = 2,216,079.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.