Home / 5,416,897.60-8,125,346.40-1,821,469.60

Finding the Fourth Proportional to 5,416,897.60, 8,125,346.40 and 1,821,469.60

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Solution

The fourth proportional to 5,416,897.60, 8,125,346.40 and 1,821,469.60 is: 2,732,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416,897.60 : 8,125,346.40 = 1,821,469.60 : x
  2. Step 2: Convert to fraction form
    5,416,897.60/8,125,346.40 = 1,821,469.60/x
  3. Step 3: Cross multiply
    5,416,897.60x = 8,125,346.40 × 1,821,469.60
  4. Step 4: Simplify right side
    5,416,897.60x = 14,800,071,457,069.44
  5. Step 5: Solve for x
    x = 14,800,071,457,069.44/5,416,897.60
  6. Step 6: Final answer
    x = 2,732,204.40

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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.