Home / 3,686,214.31-5,529,316.70-990,539.57

Finding the Fourth Proportional to 3,686,214.31, 5,529,316.70 and 990,539.57

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Solution

The fourth proportional to 3,686,214.31, 5,529,316.70 and 990,539.57 is: 1,485,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,214.31 : 5,529,316.70 = 990,539.57 : x
  2. Step 2: Convert to fraction form
    3,686,214.31/5,529,316.70 = 990,539.57/x
  3. Step 3: Cross multiply
    3,686,214.31x = 5,529,316.70 × 990,539.57
  4. Step 4: Simplify right side
    3,686,214.31x = 5,477,006,966,037.27
  5. Step 5: Solve for x
    x = 5,477,006,966,037.27/3,686,214.31
  6. Step 6: Final answer
    x = 1,485,808.07

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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.