Home / 1,681,001.82-2,319,736.59-917,055.18

Finding the Fourth Proportional to 1,681,001.82, 2,319,736.59 and 917,055.18

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Solution

The fourth proportional to 1,681,001.82, 2,319,736.59 and 917,055.18 is: 1,265,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,001.82 : 2,319,736.59 = 917,055.18 : x
  2. Step 2: Convert to fraction form
    1,681,001.82/2,319,736.59 = 917,055.18/x
  3. Step 3: Cross multiply
    1,681,001.82x = 2,319,736.59 × 917,055.18
  4. Step 4: Simplify right side
    1,681,001.82x = 2,127,326,456,095.04
  5. Step 5: Solve for x
    x = 2,127,326,456,095.04/1,681,001.82
  6. Step 6: Final answer
    x = 1,265,511.10

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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.