Home / 2,057,371.20-3,086,056.80-637,862.40

Finding the Fourth Proportional to 2,057,371.20, 3,086,056.80 and 637,862.40

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Solution

The fourth proportional to 2,057,371.20, 3,086,056.80 and 637,862.40 is: 956,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,371.20 : 3,086,056.80 = 637,862.40 : x
  2. Step 2: Convert to fraction form
    2,057,371.20/3,086,056.80 = 637,862.40/x
  3. Step 3: Cross multiply
    2,057,371.20x = 3,086,056.80 × 637,862.40
  4. Step 4: Simplify right side
    2,057,371.20x = 1,968,479,596,984.32
  5. Step 5: Solve for x
    x = 1,968,479,596,984.32/2,057,371.20
  6. Step 6: Final answer
    x = 956,793.60

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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.