Home / 2,685,107.10-4,028,038.17-862,861.10

Finding the Fourth Proportional to 2,685,107.10, 4,028,038.17 and 862,861.10

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Solution

The fourth proportional to 2,685,107.10, 4,028,038.17 and 862,861.10 is: 1,294,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,107.10 : 4,028,038.17 = 862,861.10 : x
  2. Step 2: Convert to fraction form
    2,685,107.10/4,028,038.17 = 862,861.10/x
  3. Step 3: Cross multiply
    2,685,107.10x = 4,028,038.17 × 862,861.10
  4. Step 4: Simplify right side
    2,685,107.10x = 3,475,637,460,595.12
  5. Step 5: Solve for x
    x = 3,475,637,460,595.12/2,685,107.10
  6. Step 6: Final answer
    x = 1,294,412.97

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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.