Home / 2,816,672.80-4,225,009.20-1,618,592.80

Finding the Fourth Proportional to 2,816,672.80, 4,225,009.20 and 1,618,592.80

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Solution

The fourth proportional to 2,816,672.80, 4,225,009.20 and 1,618,592.80 is: 2,427,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,672.80 : 4,225,009.20 = 1,618,592.80 : x
  2. Step 2: Convert to fraction form
    2,816,672.80/4,225,009.20 = 1,618,592.80/x
  3. Step 3: Cross multiply
    2,816,672.80x = 4,225,009.20 × 1,618,592.80
  4. Step 4: Simplify right side
    2,816,672.80x = 6,838,569,471,053.76
  5. Step 5: Solve for x
    x = 6,838,569,471,053.76/2,816,672.80
  6. Step 6: Final answer
    x = 2,427,889.20

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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.