Home / 6,330,811.05-8,736,506.91-3,430,280.43

Finding the Fourth Proportional to 6,330,811.05, 8,736,506.91 and 3,430,280.43

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Solution

The fourth proportional to 6,330,811.05, 8,736,506.91 and 3,430,280.43 is: 4,733,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330,811.05 : 8,736,506.91 = 3,430,280.43 : x
  2. Step 2: Convert to fraction form
    6,330,811.05/8,736,506.91 = 3,430,280.43/x
  3. Step 3: Cross multiply
    6,330,811.05x = 8,736,506.91 × 3,430,280.43
  4. Step 4: Simplify right side
    6,330,811.05x = 29,968,668,679,932.77
  5. Step 5: Solve for x
    x = 29,968,668,679,932.77/6,330,811.05
  6. Step 6: Final answer
    x = 4,733,780.31

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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.