Home / 2,685,278.80-4,027,918.20-1,887,461.20

Finding the Fourth Proportional to 2,685,278.80, 4,027,918.20 and 1,887,461.20

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Solution

The fourth proportional to 2,685,278.80, 4,027,918.20 and 1,887,461.20 is: 2,831,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,278.80 : 4,027,918.20 = 1,887,461.20 : x
  2. Step 2: Convert to fraction form
    2,685,278.80/4,027,918.20 = 1,887,461.20/x
  3. Step 3: Cross multiply
    2,685,278.80x = 4,027,918.20 × 1,887,461.20
  4. Step 4: Simplify right side
    2,685,278.80x = 7,602,539,319,273.84
  5. Step 5: Solve for x
    x = 7,602,539,319,273.84/2,685,278.80
  6. Step 6: Final answer
    x = 2,831,191.80

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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.