Home / 2,970,820.80-4,099,312.80-1,681,584.30

Finding the Fourth Proportional to 2,970,820.80, 4,099,312.80 and 1,681,584.30

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Solution

The fourth proportional to 2,970,820.80, 4,099,312.80 and 1,681,584.30 is: 2,320,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,820.80 : 4,099,312.80 = 1,681,584.30 : x
  2. Step 2: Convert to fraction form
    2,970,820.80/4,099,312.80 = 1,681,584.30/x
  3. Step 3: Cross multiply
    2,970,820.80x = 4,099,312.80 × 1,681,584.30
  4. Step 4: Simplify right side
    2,970,820.80x = 6,893,340,045,269.04
  5. Step 5: Solve for x
    x = 6,893,340,045,269.04/2,970,820.80
  6. Step 6: Final answer
    x = 2,320,348.65

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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.