Home / 2,971,523.70-4,457,285.55-727,661.70

Finding the Fourth Proportional to 2,971,523.70, 4,457,285.55 and 727,661.70

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Solution

The fourth proportional to 2,971,523.70, 4,457,285.55 and 727,661.70 is: 1,091,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,523.70 : 4,457,285.55 = 727,661.70 : x
  2. Step 2: Convert to fraction form
    2,971,523.70/4,457,285.55 = 727,661.70/x
  3. Step 3: Cross multiply
    2,971,523.70x = 4,457,285.55 × 727,661.70
  4. Step 4: Simplify right side
    2,971,523.70x = 3,243,395,980,698.43
  5. Step 5: Solve for x
    x = 3,243,395,980,698.43/2,971,523.70
  6. Step 6: Final answer
    x = 1,091,492.55

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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.