Home / 6,430,902.85-8,874,320.03-3,817,518.64

Finding the Fourth Proportional to 6,430,902.85, 8,874,320.03 and 3,817,518.64

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Solution

The fourth proportional to 6,430,902.85, 8,874,320.03 and 3,817,518.64 is: 5,267,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,902.85 : 8,874,320.03 = 3,817,518.64 : x
  2. Step 2: Convert to fraction form
    6,430,902.85/8,874,320.03 = 3,817,518.64/x
  3. Step 3: Cross multiply
    6,430,902.85x = 8,874,320.03 × 3,817,518.64
  4. Step 4: Simplify right side
    6,430,902.85x = 33,877,882,112,762.77
  5. Step 5: Solve for x
    x = 33,877,882,112,762.77/6,430,902.85
  6. Step 6: Final answer
    x = 5,267,982.26

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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.