Home / 4,985,690.60-7,477,499.10-2,145,895.40

Finding the Fourth Proportional to 4,985,690.60, 7,477,499.10 and 2,145,895.40

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Solution

The fourth proportional to 4,985,690.60, 7,477,499.10 and 2,145,895.40 is: 3,218,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,690.60 : 7,477,499.10 = 2,145,895.40 : x
  2. Step 2: Convert to fraction form
    4,985,690.60/7,477,499.10 = 2,145,895.40/x
  3. Step 3: Cross multiply
    4,985,690.60x = 7,477,499.10 × 2,145,895.40
  4. Step 4: Simplify right side
    4,985,690.60x = 16,045,930,922,194.14
  5. Step 5: Solve for x
    x = 16,045,930,922,194.14/4,985,690.60
  6. Step 6: Final answer
    x = 3,218,396.85

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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.