Home / 6,936,609.80-10,404,914.70-1,887,912.20

Finding the Fourth Proportional to 6,936,609.80, 10,404,914.70 and 1,887,912.20

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Solution

The fourth proportional to 6,936,609.80, 10,404,914.70 and 1,887,912.20 is: 2,831,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936,609.80 : 10,404,914.70 = 1,887,912.20 : x
  2. Step 2: Convert to fraction form
    6,936,609.80/10,404,914.70 = 1,887,912.20/x
  3. Step 3: Cross multiply
    6,936,609.80x = 10,404,914.70 × 1,887,912.20
  4. Step 4: Simplify right side
    6,936,609.80x = 19,643,565,402,089.34
  5. Step 5: Solve for x
    x = 19,643,565,402,089.34/6,936,609.80
  6. Step 6: Final answer
    x = 2,831,868.30

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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.