Home / 1,677,699.60-2,511,300.60-1,320,781.20

Finding the Fourth Proportional to 1,677,699.60, 2,511,300.60 and 1,320,781.20

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Solution

The fourth proportional to 1,677,699.60, 2,511,300.60 and 1,320,781.20 is: 1,977,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,699.60 : 2,511,300.60 = 1,320,781.20 : x
  2. Step 2: Convert to fraction form
    1,677,699.60/2,511,300.60 = 1,320,781.20/x
  3. Step 3: Cross multiply
    1,677,699.60x = 2,511,300.60 × 1,320,781.20
  4. Step 4: Simplify right side
    1,677,699.60x = 3,316,878,620,028.72
  5. Step 5: Solve for x
    x = 3,316,878,620,028.72/1,677,699.60
  6. Step 6: Final answer
    x = 1,977,039.64

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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.