Home / 6,137,574-8,469,852.66-3,421,320

Finding the Fourth Proportional to 6,137,574, 8,469,852.66 and 3,421,320

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Solution

The fourth proportional to 6,137,574, 8,469,852.66 and 3,421,320 is: 4,721,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137,574 : 8,469,852.66 = 3,421,320 : x
  2. Step 2: Convert to fraction form
    6,137,574/8,469,852.66 = 3,421,320/x
  3. Step 3: Cross multiply
    6,137,574x = 8,469,852.66 × 3,421,320
  4. Step 4: Simplify right side
    6,137,574x = 28,978,076,302,711.20
  5. Step 5: Solve for x
    x = 28,978,076,302,711.20/6,137,574
  6. Step 6: Final answer
    x = 4,721,421.90

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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.