Home / 3,406,362.50-5,109,544.56-1,385,705.72

Finding the Fourth Proportional to 3,406,362.50, 5,109,544.56 and 1,385,705.72

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Solution

The fourth proportional to 3,406,362.50, 5,109,544.56 and 1,385,705.72 is: 2,078,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,362.50 : 5,109,544.56 = 1,385,705.72 : x
  2. Step 2: Convert to fraction form
    3,406,362.50/5,109,544.56 = 1,385,705.72/x
  3. Step 3: Cross multiply
    3,406,362.50x = 5,109,544.56 × 1,385,705.72
  4. Step 4: Simplify right side
    3,406,362.50x = 7,080,325,123,386.88
  5. Step 5: Solve for x
    x = 7,080,325,123,386.88/3,406,362.50
  6. Step 6: Final answer
    x = 2,078,558.91

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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.