Home / 3,531,210.81-5,297,343.26-1,638,143.61

Finding the Fourth Proportional to 3,531,210.81, 5,297,343.26 and 1,638,143.61

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Solution

The fourth proportional to 3,531,210.81, 5,297,343.26 and 1,638,143.61 is: 2,457,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,210.81 : 5,297,343.26 = 1,638,143.61 : x
  2. Step 2: Convert to fraction form
    3,531,210.81/5,297,343.26 = 1,638,143.61/x
  3. Step 3: Cross multiply
    3,531,210.81x = 5,297,343.26 × 1,638,143.61
  4. Step 4: Simplify right side
    3,531,210.81x = 8,677,809,003,154.85
  5. Step 5: Solve for x
    x = 8,677,809,003,154.85/3,531,210.81
  6. Step 6: Final answer
    x = 2,457,459.91

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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.