Home / 3,686,211.72-5,529,312.83-990,536.96

Finding the Fourth Proportional to 3,686,211.72, 5,529,312.83 and 990,536.96

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Solution

The fourth proportional to 3,686,211.72, 5,529,312.83 and 990,536.96 is: 1,485,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,211.72 : 5,529,312.83 = 990,536.96 : x
  2. Step 2: Convert to fraction form
    3,686,211.72/5,529,312.83 = 990,536.96/x
  3. Step 3: Cross multiply
    3,686,211.72x = 5,529,312.83 × 990,536.96
  4. Step 4: Simplify right side
    3,686,211.72x = 5,476,988,730,387.79
  5. Step 5: Solve for x
    x = 5,476,988,730,387.79/3,686,211.72
  6. Step 6: Final answer
    x = 1,485,804.17

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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.