Home / 3,549,438.20-5,323,106.28-990,035.96

Finding the Fourth Proportional to 3,549,438.20, 5,323,106.28 and 990,035.96

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Solution

The fourth proportional to 3,549,438.20, 5,323,106.28 and 990,035.96 is: 1,484,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,438.20 : 5,323,106.28 = 990,035.96 : x
  2. Step 2: Convert to fraction form
    3,549,438.20/5,323,106.28 = 990,035.96/x
  3. Step 3: Cross multiply
    3,549,438.20x = 5,323,106.28 × 990,035.96
  4. Step 4: Simplify right side
    3,549,438.20x = 5,270,066,636,101.83
  5. Step 5: Solve for x
    x = 5,270,066,636,101.83/3,549,438.20
  6. Step 6: Final answer
    x = 1,484,760.78

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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.