Home / 3,181,669.49-4,390,802.71-1,805,071.19

Finding the Fourth Proportional to 3,181,669.49, 4,390,802.71 and 1,805,071.19

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Solution

The fourth proportional to 3,181,669.49, 4,390,802.71 and 1,805,071.19 is: 2,491,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,669.49 : 4,390,802.71 = 1,805,071.19 : x
  2. Step 2: Convert to fraction form
    3,181,669.49/4,390,802.71 = 1,805,071.19/x
  3. Step 3: Cross multiply
    3,181,669.49x = 4,390,802.71 × 1,805,071.19
  4. Step 4: Simplify right side
    3,181,669.49x = 7,925,711,446,328.23
  5. Step 5: Solve for x
    x = 7,925,711,446,328.23/3,181,669.49
  6. Step 6: Final answer
    x = 2,491,054.29

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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.