Home / 2,379,639.36-3,570,768.72-1,031,812.32

Finding the Fourth Proportional to 2,379,639.36, 3,570,768.72 and 1,031,812.32

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Solution

The fourth proportional to 2,379,639.36, 3,570,768.72 and 1,031,812.32 is: 1,548,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,639.36 : 3,570,768.72 = 1,031,812.32 : x
  2. Step 2: Convert to fraction form
    2,379,639.36/3,570,768.72 = 1,031,812.32/x
  3. Step 3: Cross multiply
    2,379,639.36x = 3,570,768.72 × 1,031,812.32
  4. Step 4: Simplify right side
    2,379,639.36x = 3,684,363,157,166.63
  5. Step 5: Solve for x
    x = 3,684,363,157,166.63/2,379,639.36
  6. Step 6: Final answer
    x = 1,548,286.36

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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.