Home / 2,912,458.36-4,019,211.18-1,623,380.48

Finding the Fourth Proportional to 2,912,458.36, 4,019,211.18 and 1,623,380.48

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Solution

The fourth proportional to 2,912,458.36, 4,019,211.18 and 1,623,380.48 is: 2,240,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,458.36 : 4,019,211.18 = 1,623,380.48 : x
  2. Step 2: Convert to fraction form
    2,912,458.36/4,019,211.18 = 1,623,380.48/x
  3. Step 3: Cross multiply
    2,912,458.36x = 4,019,211.18 × 1,623,380.48
  4. Step 4: Simplify right side
    2,912,458.36x = 6,524,708,974,609.77
  5. Step 5: Solve for x
    x = 6,524,708,974,609.77/2,912,458.36
  6. Step 6: Final answer
    x = 2,240,275.45

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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.