Home / 2,688,167.40-4,032,164.70-891,133.80

Finding the Fourth Proportional to 2,688,167.40, 4,032,164.70 and 891,133.80

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Solution

The fourth proportional to 2,688,167.40, 4,032,164.70 and 891,133.80 is: 1,336,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,167.40 : 4,032,164.70 = 891,133.80 : x
  2. Step 2: Convert to fraction form
    2,688,167.40/4,032,164.70 = 891,133.80/x
  3. Step 3: Cross multiply
    2,688,167.40x = 4,032,164.70 × 891,133.80
  4. Step 4: Simplify right side
    2,688,167.40x = 3,593,198,251,336.86
  5. Step 5: Solve for x
    x = 3,593,198,251,336.86/2,688,167.40
  6. Step 6: Final answer
    x = 1,336,672.06

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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.