Home / 3,164,903.40-4,747,355.16-768,731.89

Finding the Fourth Proportional to 3,164,903.40, 4,747,355.16 and 768,731.89

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Solution

The fourth proportional to 3,164,903.40, 4,747,355.16 and 768,731.89 is: 1,153,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164,903.40 : 4,747,355.16 = 768,731.89 : x
  2. Step 2: Convert to fraction form
    3,164,903.40/4,747,355.16 = 768,731.89/x
  3. Step 3: Cross multiply
    3,164,903.40x = 4,747,355.16 × 768,731.89
  4. Step 4: Simplify right side
    3,164,903.40x = 3,649,443,280,911.28
  5. Step 5: Solve for x
    x = 3,649,443,280,911.28/3,164,903.40
  6. Step 6: Final answer
    x = 1,153,097.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.