Home / 3,686,214.47-5,529,316.93-990,539.72

Finding the Fourth Proportional to 3,686,214.47, 5,529,316.93 and 990,539.72

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Solution

The fourth proportional to 3,686,214.47, 5,529,316.93 and 990,539.72 is: 1,485,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,214.47 : 5,529,316.93 = 990,539.72 : x
  2. Step 2: Convert to fraction form
    3,686,214.47/5,529,316.93 = 990,539.72/x
  3. Step 3: Cross multiply
    3,686,214.47x = 5,529,316.93 × 990,539.72
  4. Step 4: Simplify right side
    3,686,214.47x = 5,477,008,043,633.46
  5. Step 5: Solve for x
    x = 5,477,008,043,633.46/3,686,214.47
  6. Step 6: Final answer
    x = 1,485,808.30

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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.