Home / 2,912,793.40-4,369,190.10-1,905,023.80

Finding the Fourth Proportional to 2,912,793.40, 4,369,190.10 and 1,905,023.80

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Solution

The fourth proportional to 2,912,793.40, 4,369,190.10 and 1,905,023.80 is: 2,857,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,793.40 : 4,369,190.10 = 1,905,023.80 : x
  2. Step 2: Convert to fraction form
    2,912,793.40/4,369,190.10 = 1,905,023.80/x
  3. Step 3: Cross multiply
    2,912,793.40x = 4,369,190.10 × 1,905,023.80
  4. Step 4: Simplify right side
    2,912,793.40x = 8,323,411,127,224.38
  5. Step 5: Solve for x
    x = 8,323,411,127,224.38/2,912,793.40
  6. Step 6: Final answer
    x = 2,857,535.70

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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.