Home / 1,338,451.14-1,850,695.65-1,316,818.47

Finding the Fourth Proportional to 1,338,451.14, 1,850,695.65 and 1,316,818.47

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Solution

The fourth proportional to 1,338,451.14, 1,850,695.65 and 1,316,818.47 is: 1,820,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,451.14 : 1,850,695.65 = 1,316,818.47 : x
  2. Step 2: Convert to fraction form
    1,338,451.14/1,850,695.65 = 1,316,818.47/x
  3. Step 3: Cross multiply
    1,338,451.14x = 1,850,695.65 × 1,316,818.47
  4. Step 4: Simplify right side
    1,338,451.14x = 2,437,030,214,268.66
  5. Step 5: Solve for x
    x = 2,437,030,214,268.66/1,338,451.14
  6. Step 6: Final answer
    x = 1,820,783.85

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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.