Home / 2,790,688.80-4,186,033.20-897,621.60

Finding the Fourth Proportional to 2,790,688.80, 4,186,033.20 and 897,621.60

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Solution

The fourth proportional to 2,790,688.80, 4,186,033.20 and 897,621.60 is: 1,346,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,688.80 : 4,186,033.20 = 897,621.60 : x
  2. Step 2: Convert to fraction form
    2,790,688.80/4,186,033.20 = 897,621.60/x
  3. Step 3: Cross multiply
    2,790,688.80x = 4,186,033.20 × 897,621.60
  4. Step 4: Simplify right side
    2,790,688.80x = 3,757,473,818,637.12
  5. Step 5: Solve for x
    x = 3,757,473,818,637.12/2,790,688.80
  6. Step 6: Final answer
    x = 1,346,432.40

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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.