Home / 1,887,980.20-2,827,304.70-1,253,458.60

Finding the Fourth Proportional to 1,887,980.20, 2,827,304.70 and 1,253,458.60

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Solution

The fourth proportional to 1,887,980.20, 2,827,304.70 and 1,253,458.60 is: 1,877,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,980.20 : 2,827,304.70 = 1,253,458.60 : x
  2. Step 2: Convert to fraction form
    1,887,980.20/2,827,304.70 = 1,253,458.60/x
  3. Step 3: Cross multiply
    1,887,980.20x = 2,827,304.70 × 1,253,458.60
  4. Step 4: Simplify right side
    1,887,980.20x = 3,543,909,391,035.42
  5. Step 5: Solve for x
    x = 3,543,909,391,035.42/1,887,980.20
  6. Step 6: Final answer
    x = 1,877,090.34

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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.