Home / 3,316,949.86-4,975,452.48-920,981.35

Finding the Fourth Proportional to 3,316,949.86, 4,975,452.48 and 920,981.35

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Solution

The fourth proportional to 3,316,949.86, 4,975,452.48 and 920,981.35 is: 1,381,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,949.86 : 4,975,452.48 = 920,981.35 : x
  2. Step 2: Convert to fraction form
    3,316,949.86/4,975,452.48 = 920,981.35/x
  3. Step 3: Cross multiply
    3,316,949.86x = 4,975,452.48 × 920,981.35
  4. Step 4: Simplify right side
    3,316,949.86x = 4,582,298,941,891.25
  5. Step 5: Solve for x
    x = 4,582,298,941,891.25/3,316,949.86
  6. Step 6: Final answer
    x = 1,381,479.71

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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.