Home / 4,971,815.40-7,457,723.10-4,173,997.80

Finding the Fourth Proportional to 4,971,815.40, 7,457,723.10 and 4,173,997.80

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Solution

The fourth proportional to 4,971,815.40, 7,457,723.10 and 4,173,997.80 is: 6,260,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971,815.40 : 7,457,723.10 = 4,173,997.80 : x
  2. Step 2: Convert to fraction form
    4,971,815.40/7,457,723.10 = 4,173,997.80/x
  3. Step 3: Cross multiply
    4,971,815.40x = 7,457,723.10 × 4,173,997.80
  4. Step 4: Simplify right side
    4,971,815.40x = 31,128,519,812,409.18
  5. Step 5: Solve for x
    x = 31,128,519,812,409.18/4,971,815.40
  6. Step 6: Final answer
    x = 6,260,996.70

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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.