Home / 2,812,004.10-4,218,006.15-1,855,410.30

Finding the Fourth Proportional to 2,812,004.10, 4,218,006.15 and 1,855,410.30

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Solution

The fourth proportional to 2,812,004.10, 4,218,006.15 and 1,855,410.30 is: 2,783,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,004.10 : 4,218,006.15 = 1,855,410.30 : x
  2. Step 2: Convert to fraction form
    2,812,004.10/4,218,006.15 = 1,855,410.30/x
  3. Step 3: Cross multiply
    2,812,004.10x = 4,218,006.15 × 1,855,410.30
  4. Step 4: Simplify right side
    2,812,004.10x = 7,826,132,056,173.35
  5. Step 5: Solve for x
    x = 7,826,132,056,173.35/2,812,004.10
  6. Step 6: Final answer
    x = 2,783,115.45

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Similar ratio
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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.