Home / 6,420,370.54-9,630,894.48-1,628,101.36

Finding the Fourth Proportional to 6,420,370.54, 9,630,894.48 and 1,628,101.36

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Solution

The fourth proportional to 6,420,370.54, 9,630,894.48 and 1,628,101.36 is: 2,442,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,370.54 : 9,630,894.48 = 1,628,101.36 : x
  2. Step 2: Convert to fraction form
    6,420,370.54/9,630,894.48 = 1,628,101.36/x
  3. Step 3: Cross multiply
    6,420,370.54x = 9,630,894.48 × 1,628,101.36
  4. Step 4: Simplify right side
    6,420,370.54x = 15,680,072,400,904.49
  5. Step 5: Solve for x
    x = 15,680,072,400,904.49/6,420,370.54
  6. Step 6: Final answer
    x = 2,442,237.92

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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.