Home / 6,142,979.32-8,476,928.85-3,389,688.88

Finding the Fourth Proportional to 6,142,979.32, 8,476,928.85 and 3,389,688.88

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Solution

The fourth proportional to 6,142,979.32, 8,476,928.85 and 3,389,688.88 is: 4,677,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,979.32 : 8,476,928.85 = 3,389,688.88 : x
  2. Step 2: Convert to fraction form
    6,142,979.32/8,476,928.85 = 3,389,688.88/x
  3. Step 3: Cross multiply
    6,142,979.32x = 8,476,928.85 × 3,389,688.88
  4. Step 4: Simplify right side
    6,142,979.32x = 28,734,151,459,396.19
  5. Step 5: Solve for x
    x = 28,734,151,459,396.19/6,142,979.32
  6. Step 6: Final answer
    x = 4,677,559.53

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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.