Home / 3,355,284.32-4,630,749-1,979,017.28

Finding the Fourth Proportional to 3,355,284.32, 4,630,749 and 1,979,017.28

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Solution

The fourth proportional to 3,355,284.32, 4,630,749 and 1,979,017.28 is: 2,731,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355,284.32 : 4,630,749 = 1,979,017.28 : x
  2. Step 2: Convert to fraction form
    3,355,284.32/4,630,749 = 1,979,017.28/x
  3. Step 3: Cross multiply
    3,355,284.32x = 4,630,749 × 1,979,017.28
  4. Step 4: Simplify right side
    3,355,284.32x = 9,164,332,290,342.72
  5. Step 5: Solve for x
    x = 9,164,332,290,342.72/3,355,284.32
  6. Step 6: Final answer
    x = 2,731,313.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.