Home / 2,912,298.18-4,019,108.40-1,623,147.54

Finding the Fourth Proportional to 2,912,298.18, 4,019,108.40 and 1,623,147.54

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Solution

The fourth proportional to 2,912,298.18, 4,019,108.40 and 1,623,147.54 is: 2,240,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,298.18 : 4,019,108.40 = 1,623,147.54 : x
  2. Step 2: Convert to fraction form
    2,912,298.18/4,019,108.40 = 1,623,147.54/x
  3. Step 3: Cross multiply
    2,912,298.18x = 4,019,108.40 × 1,623,147.54
  4. Step 4: Simplify right side
    2,912,298.18x = 6,523,605,912,453.34
  5. Step 5: Solve for x
    x = 6,523,605,912,453.34/2,912,298.18
  6. Step 6: Final answer
    x = 2,240,019.91

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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.