Home / 2,688,561.80-4,029,732.30-1,090,334.60

Finding the Fourth Proportional to 2,688,561.80, 4,029,732.30 and 1,090,334.60

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Solution

The fourth proportional to 2,688,561.80, 4,029,732.30 and 1,090,334.60 is: 1,634,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,561.80 : 4,029,732.30 = 1,090,334.60 : x
  2. Step 2: Convert to fraction form
    2,688,561.80/4,029,732.30 = 1,090,334.60/x
  3. Step 3: Cross multiply
    2,688,561.80x = 4,029,732.30 × 1,090,334.60
  4. Step 4: Simplify right side
    2,688,561.80x = 4,393,756,555,427.58
  5. Step 5: Solve for x
    x = 4,393,756,555,427.58/2,688,561.80
  6. Step 6: Final answer
    x = 1,634,240.49

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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.