Home / 4,920,808.40-7,381,212.60-3,021,390.80

Finding the Fourth Proportional to 4,920,808.40, 7,381,212.60 and 3,021,390.80

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Solution

The fourth proportional to 4,920,808.40, 7,381,212.60 and 3,021,390.80 is: 4,532,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,808.40 : 7,381,212.60 = 3,021,390.80 : x
  2. Step 2: Convert to fraction form
    4,920,808.40/7,381,212.60 = 3,021,390.80/x
  3. Step 3: Cross multiply
    4,920,808.40x = 7,381,212.60 × 3,021,390.80
  4. Step 4: Simplify right side
    4,920,808.40x = 22,301,527,842,484.08
  5. Step 5: Solve for x
    x = 22,301,527,842,484.08/4,920,808.40
  6. Step 6: Final answer
    x = 4,532,086.20

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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.