Home / 1,893,979.05-2,613,042.75-1,077,978.36

Finding the Fourth Proportional to 1,893,979.05, 2,613,042.75 and 1,077,978.36

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Solution

The fourth proportional to 1,893,979.05, 2,613,042.75 and 1,077,978.36 is: 1,487,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,979.05 : 2,613,042.75 = 1,077,978.36 : x
  2. Step 2: Convert to fraction form
    1,893,979.05/2,613,042.75 = 1,077,978.36/x
  3. Step 3: Cross multiply
    1,893,979.05x = 2,613,042.75 × 1,077,978.36
  4. Step 4: Simplify right side
    1,893,979.05x = 2,816,803,538,254.89
  5. Step 5: Solve for x
    x = 2,816,803,538,254.89/1,893,979.05
  6. Step 6: Final answer
    x = 1,487,241.13

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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.