Home / 2,688,231.40-4,032,260.70-891,197.80

Finding the Fourth Proportional to 2,688,231.40, 4,032,260.70 and 891,197.80

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Solution

The fourth proportional to 2,688,231.40, 4,032,260.70 and 891,197.80 is: 1,336,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,231.40 : 4,032,260.70 = 891,197.80 : x
  2. Step 2: Convert to fraction form
    2,688,231.40/4,032,260.70 = 891,197.80/x
  3. Step 3: Cross multiply
    2,688,231.40x = 4,032,260.70 × 891,197.80
  4. Step 4: Simplify right side
    2,688,231.40x = 3,593,541,864,866.46
  5. Step 5: Solve for x
    x = 3,593,541,864,866.46/2,688,231.40
  6. Step 6: Final answer
    x = 1,336,768.06

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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.