Home / 1,900,952.57-2,851,465.30-621,564.86

Finding the Fourth Proportional to 1,900,952.57, 2,851,465.30 and 621,564.86

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Solution

The fourth proportional to 1,900,952.57, 2,851,465.30 and 621,564.86 is: 932,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,952.57 : 2,851,465.30 = 621,564.86 : x
  2. Step 2: Convert to fraction form
    1,900,952.57/2,851,465.30 = 621,564.86/x
  3. Step 3: Cross multiply
    1,900,952.57x = 2,851,465.30 × 621,564.86
  4. Step 4: Simplify right side
    1,900,952.57x = 1,772,370,629,989.36
  5. Step 5: Solve for x
    x = 1,772,370,629,989.36/1,900,952.57
  6. Step 6: Final answer
    x = 932,359.21

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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.