Home / 4,811,685.79-6,640,126.20-2,636,311.45

Finding the Fourth Proportional to 4,811,685.79, 6,640,126.20 and 2,636,311.45

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Solution

The fourth proportional to 4,811,685.79, 6,640,126.20 and 2,636,311.45 is: 3,638,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,685.79 : 6,640,126.20 = 2,636,311.45 : x
  2. Step 2: Convert to fraction form
    4,811,685.79/6,640,126.20 = 2,636,311.45/x
  3. Step 3: Cross multiply
    4,811,685.79x = 6,640,126.20 × 2,636,311.45
  4. Step 4: Simplify right side
    4,811,685.79x = 17,505,440,684,122.80
  5. Step 5: Solve for x
    x = 17,505,440,684,122.80/4,811,685.79
  6. Step 6: Final answer
    x = 3,638,109.69

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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.