Home / 1,820,133.90-2,512,284.39-1,056,433.50

Finding the Fourth Proportional to 1,820,133.90, 2,512,284.39 and 1,056,433.50

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Solution

The fourth proportional to 1,820,133.90, 2,512,284.39 and 1,056,433.50 is: 1,458,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,133.90 : 2,512,284.39 = 1,056,433.50 : x
  2. Step 2: Convert to fraction form
    1,820,133.90/2,512,284.39 = 1,056,433.50/x
  3. Step 3: Cross multiply
    1,820,133.90x = 2,512,284.39 × 1,056,433.50
  4. Step 4: Simplify right side
    1,820,133.90x = 2,654,061,391,123.07
  5. Step 5: Solve for x
    x = 2,654,061,391,123.07/1,820,133.90
  6. Step 6: Final answer
    x = 1,458,168.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.