Home / 1,815,392.39-2,505,577.47-1,051,445.75

Finding the Fourth Proportional to 1,815,392.39, 2,505,577.47 and 1,051,445.75

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Solution

The fourth proportional to 1,815,392.39, 2,505,577.47 and 1,051,445.75 is: 1,451,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,392.39 : 2,505,577.47 = 1,051,445.75 : x
  2. Step 2: Convert to fraction form
    1,815,392.39/2,505,577.47 = 1,051,445.75/x
  3. Step 3: Cross multiply
    1,815,392.39x = 2,505,577.47 × 1,051,445.75
  4. Step 4: Simplify right side
    1,815,392.39x = 2,634,478,782,127.25
  5. Step 5: Solve for x
    x = 2,634,478,782,127.25/1,815,392.39
  6. Step 6: Final answer
    x = 1,451,189.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.