Home / 3,618,835.40-4,993,639.38-2,090,909.72

Finding the Fourth Proportional to 3,618,835.40, 4,993,639.38 and 2,090,909.72

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Solution

The fourth proportional to 3,618,835.40, 4,993,639.38 and 2,090,909.72 is: 2,885,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,835.40 : 4,993,639.38 = 2,090,909.72 : x
  2. Step 2: Convert to fraction form
    3,618,835.40/4,993,639.38 = 2,090,909.72/x
  3. Step 3: Cross multiply
    3,618,835.40x = 4,993,639.38 × 2,090,909.72
  4. Step 4: Simplify right side
    3,618,835.40x = 10,441,249,117,816.77
  5. Step 5: Solve for x
    x = 10,441,249,117,816.77/3,618,835.40
  6. Step 6: Final answer
    x = 2,885,251.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.