Home / 3,154,917.65-4,733,852.70-1,640,310.80

Finding the Fourth Proportional to 3,154,917.65, 4,733,852.70 and 1,640,310.80

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Solution

The fourth proportional to 3,154,917.65, 4,733,852.70 and 1,640,310.80 is: 2,461,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,917.65 : 4,733,852.70 = 1,640,310.80 : x
  2. Step 2: Convert to fraction form
    3,154,917.65/4,733,852.70 = 1,640,310.80/x
  3. Step 3: Cross multiply
    3,154,917.65x = 4,733,852.70 × 1,640,310.80
  4. Step 4: Simplify right side
    3,154,917.65x = 7,764,989,709,419.16
  5. Step 5: Solve for x
    x = 7,764,989,709,419.16/3,154,917.65
  6. Step 6: Final answer
    x = 2,461,233.72

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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.