Home / 6,321,805.34-8,724,106.85-3,421,217.30

Finding the Fourth Proportional to 6,321,805.34, 8,724,106.85 and 3,421,217.30

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Solution

The fourth proportional to 6,321,805.34, 8,724,106.85 and 3,421,217.30 is: 4,721,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,805.34 : 8,724,106.85 = 3,421,217.30 : x
  2. Step 2: Convert to fraction form
    6,321,805.34/8,724,106.85 = 3,421,217.30/x
  3. Step 3: Cross multiply
    6,321,805.34x = 8,724,106.85 × 3,421,217.30
  4. Step 4: Simplify right side
    6,321,805.34x = 29,847,065,221,541.89
  5. Step 5: Solve for x
    x = 29,847,065,221,541.89/6,321,805.34
  6. Step 6: Final answer
    x = 4,721,288.25

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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.