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Finding the Fourth Proportional to 6,287,423, 8,676,643.83 and 3,425,855

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Solution

The fourth proportional to 6,287,423, 8,676,643.83 and 3,425,855 is: 4,727,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,423 : 8,676,643.83 = 3,425,855 : x
  2. Step 2: Convert to fraction form
    6,287,423/8,676,643.83 = 3,425,855/x
  3. Step 3: Cross multiply
    6,287,423x = 8,676,643.83 × 3,425,855
  4. Step 4: Simplify right side
    6,287,423x = 29,724,923,648,224.65
  5. Step 5: Solve for x
    x = 29,724,923,648,224.65/6,287,423
  6. Step 6: Final answer
    x = 4,727,679.95

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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.