Home / 1,917,298.55-2,646,830.80-1,192,379.81

Finding the Fourth Proportional to 1,917,298.55, 2,646,830.80 and 1,192,379.81

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Solution

The fourth proportional to 1,917,298.55, 2,646,830.80 and 1,192,379.81 is: 1,646,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,298.55 : 2,646,830.80 = 1,192,379.81 : x
  2. Step 2: Convert to fraction form
    1,917,298.55/2,646,830.80 = 1,192,379.81/x
  3. Step 3: Cross multiply
    1,917,298.55x = 2,646,830.80 × 1,192,379.81
  4. Step 4: Simplify right side
    1,917,298.55x = 3,156,027,613,641.54
  5. Step 5: Solve for x
    x = 3,156,027,613,641.54/1,917,298.55
  6. Step 6: Final answer
    x = 1,646,080.42

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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.