Home / 4,811,808.20-7,217,712.30-2,985,225.80

Finding the Fourth Proportional to 4,811,808.20, 7,217,712.30 and 2,985,225.80

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Solution

The fourth proportional to 4,811,808.20, 7,217,712.30 and 2,985,225.80 is: 4,477,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,808.20 : 7,217,712.30 = 2,985,225.80 : x
  2. Step 2: Convert to fraction form
    4,811,808.20/7,217,712.30 = 2,985,225.80/x
  3. Step 3: Cross multiply
    4,811,808.20x = 7,217,712.30 × 2,985,225.80
  4. Step 4: Simplify right side
    4,811,808.20x = 21,546,500,974,937.34
  5. Step 5: Solve for x
    x = 21,546,500,974,937.34/4,811,808.20
  6. Step 6: Final answer
    x = 4,477,838.70

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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.