Home / 3,478,269.78-5,217,762.56-1,203,790.19

Finding the Fourth Proportional to 3,478,269.78, 5,217,762.56 and 1,203,790.19

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Solution

The fourth proportional to 3,478,269.78, 5,217,762.56 and 1,203,790.19 is: 1,805,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,269.78 : 5,217,762.56 = 1,203,790.19 : x
  2. Step 2: Convert to fraction form
    3,478,269.78/5,217,762.56 = 1,203,790.19/x
  3. Step 3: Cross multiply
    3,478,269.78x = 5,217,762.56 × 1,203,790.19
  4. Step 4: Simplify right side
    3,478,269.78x = 6,281,091,377,458.34
  5. Step 5: Solve for x
    x = 6,281,091,377,458.34/3,478,269.78
  6. Step 6: Final answer
    x = 1,805,809.14

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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.