Home / 3,112,345-4,295,036.10-1,681,561

Finding the Fourth Proportional to 3,112,345, 4,295,036.10 and 1,681,561

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Solution

The fourth proportional to 3,112,345, 4,295,036.10 and 1,681,561 is: 2,320,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,345 : 4,295,036.10 = 1,681,561 : x
  2. Step 2: Convert to fraction form
    3,112,345/4,295,036.10 = 1,681,561/x
  3. Step 3: Cross multiply
    3,112,345x = 4,295,036.10 × 1,681,561
  4. Step 4: Simplify right side
    3,112,345x = 7,222,365,199,352.10
  5. Step 5: Solve for x
    x = 7,222,365,199,352.10/3,112,345
  6. Step 6: Final answer
    x = 2,320,554.18

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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.