Home / 2,758,464.80-4,137,697.20-1,918,656.80

Finding the Fourth Proportional to 2,758,464.80, 4,137,697.20 and 1,918,656.80

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Solution

The fourth proportional to 2,758,464.80, 4,137,697.20 and 1,918,656.80 is: 2,877,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,464.80 : 4,137,697.20 = 1,918,656.80 : x
  2. Step 2: Convert to fraction form
    2,758,464.80/4,137,697.20 = 1,918,656.80/x
  3. Step 3: Cross multiply
    2,758,464.80x = 4,137,697.20 × 1,918,656.80
  4. Step 4: Simplify right side
    2,758,464.80x = 7,938,820,869,120.96
  5. Step 5: Solve for x
    x = 7,938,820,869,120.96/2,758,464.80
  6. Step 6: Final answer
    x = 2,877,985.20

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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.