Home / 3,136,100.20-4,705,705.50-1,242,799.72

Finding the Fourth Proportional to 3,136,100.20, 4,705,705.50 and 1,242,799.72

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Solution

The fourth proportional to 3,136,100.20, 4,705,705.50 and 1,242,799.72 is: 1,864,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,100.20 : 4,705,705.50 = 1,242,799.72 : x
  2. Step 2: Convert to fraction form
    3,136,100.20/4,705,705.50 = 1,242,799.72/x
  3. Step 3: Cross multiply
    3,136,100.20x = 4,705,705.50 × 1,242,799.72
  4. Step 4: Simplify right side
    3,136,100.20x = 5,848,249,477,802.46
  5. Step 5: Solve for x
    x = 5,848,249,477,802.46/3,136,100.20
  6. Step 6: Final answer
    x = 1,864,815.89

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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.