Home / 1,621,818.60-2,237,938.20-896,549.40

Finding the Fourth Proportional to 1,621,818.60, 2,237,938.20 and 896,549.40

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Solution

The fourth proportional to 1,621,818.60, 2,237,938.20 and 896,549.40 is: 1,237,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,818.60 : 2,237,938.20 = 896,549.40 : x
  2. Step 2: Convert to fraction form
    1,621,818.60/2,237,938.20 = 896,549.40/x
  3. Step 3: Cross multiply
    1,621,818.60x = 2,237,938.20 × 896,549.40
  4. Step 4: Simplify right side
    1,621,818.60x = 2,006,422,150,447.08
  5. Step 5: Solve for x
    x = 2,006,422,150,447.08/1,621,818.60
  6. Step 6: Final answer
    x = 1,237,143.38

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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.