Home / 1,954,328.80-2,931,493.20-1,618,405.60

Finding the Fourth Proportional to 1,954,328.80, 2,931,493.20 and 1,618,405.60

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Solution

The fourth proportional to 1,954,328.80, 2,931,493.20 and 1,618,405.60 is: 2,427,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,328.80 : 2,931,493.20 = 1,618,405.60 : x
  2. Step 2: Convert to fraction form
    1,954,328.80/2,931,493.20 = 1,618,405.60/x
  3. Step 3: Cross multiply
    1,954,328.80x = 2,931,493.20 × 1,618,405.60
  4. Step 4: Simplify right side
    1,954,328.80x = 4,744,345,011,241.92
  5. Step 5: Solve for x
    x = 4,744,345,011,241.92/1,954,328.80
  6. Step 6: Final answer
    x = 2,427,608.40

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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.