Home / 1,621,394.52-2,237,485.02-896,223.60

Finding the Fourth Proportional to 1,621,394.52, 2,237,485.02 and 896,223.60

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Solution

The fourth proportional to 1,621,394.52, 2,237,485.02 and 896,223.60 is: 1,236,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,394.52 : 2,237,485.02 = 896,223.60 : x
  2. Step 2: Convert to fraction form
    1,621,394.52/2,237,485.02 = 896,223.60/x
  3. Step 3: Cross multiply
    1,621,394.52x = 2,237,485.02 × 896,223.60
  4. Step 4: Simplify right side
    1,621,394.52x = 2,005,286,879,570.47
  5. Step 5: Solve for x
    x = 2,005,286,879,570.47/1,621,394.52
  6. Step 6: Final answer
    x = 1,236,766.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.