Home / 4,831,167.90-7,250,011.29-1,991,217.18

Finding the Fourth Proportional to 4,831,167.90, 7,250,011.29 and 1,991,217.18

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Solution

The fourth proportional to 4,831,167.90, 7,250,011.29 and 1,991,217.18 is: 2,988,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831,167.90 : 7,250,011.29 = 1,991,217.18 : x
  2. Step 2: Convert to fraction form
    4,831,167.90/7,250,011.29 = 1,991,217.18/x
  3. Step 3: Cross multiply
    4,831,167.90x = 7,250,011.29 × 1,991,217.18
  4. Step 4: Simplify right side
    4,831,167.90x = 14,436,347,035,841.96
  5. Step 5: Solve for x
    x = 14,436,347,035,841.96/4,831,167.90
  6. Step 6: Final answer
    x = 2,988,169.18

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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.