Home / 2,878,761.90-4,319,317.41-1,854,627.40

Finding the Fourth Proportional to 2,878,761.90, 4,319,317.41 and 1,854,627.40

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Solution

The fourth proportional to 2,878,761.90, 4,319,317.41 and 1,854,627.40 is: 2,782,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,761.90 : 4,319,317.41 = 1,854,627.40 : x
  2. Step 2: Convert to fraction form
    2,878,761.90/4,319,317.41 = 1,854,627.40/x
  3. Step 3: Cross multiply
    2,878,761.90x = 4,319,317.41 × 1,854,627.40
  4. Step 4: Simplify right side
    2,878,761.90x = 8,010,724,416,327.33
  5. Step 5: Solve for x
    x = 8,010,724,416,327.33/2,878,761.90
  6. Step 6: Final answer
    x = 2,782,697.80

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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.