Home / 3,690,280.64-5,535,047.21-994,878.32

Finding the Fourth Proportional to 3,690,280.64, 5,535,047.21 and 994,878.32

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Solution

The fourth proportional to 3,690,280.64, 5,535,047.21 and 994,878.32 is: 1,492,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,280.64 : 5,535,047.21 = 994,878.32 : x
  2. Step 2: Convert to fraction form
    3,690,280.64/5,535,047.21 = 994,878.32/x
  3. Step 3: Cross multiply
    3,690,280.64x = 5,535,047.21 × 994,878.32
  4. Step 4: Simplify right side
    3,690,280.64x = 5,506,698,441,730.25
  5. Step 5: Solve for x
    x = 5,506,698,441,730.25/3,690,280.64
  6. Step 6: Final answer
    x = 1,492,216.71

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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.