Home / 1,855,121.40-2,782,682.10-910,337.40

Finding the Fourth Proportional to 1,855,121.40, 2,782,682.10 and 910,337.40

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Solution

The fourth proportional to 1,855,121.40, 2,782,682.10 and 910,337.40 is: 1,365,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,121.40 : 2,782,682.10 = 910,337.40 : x
  2. Step 2: Convert to fraction form
    1,855,121.40/2,782,682.10 = 910,337.40/x
  3. Step 3: Cross multiply
    1,855,121.40x = 2,782,682.10 × 910,337.40
  4. Step 4: Simplify right side
    1,855,121.40x = 2,533,179,587,940.54
  5. Step 5: Solve for x
    x = 2,533,179,587,940.54/1,855,121.40
  6. Step 6: Final answer
    x = 1,365,506.10

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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.