Home / 3,112,347-4,295,038.86-1,681,563

Finding the Fourth Proportional to 3,112,347, 4,295,038.86 and 1,681,563

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Solution

The fourth proportional to 3,112,347, 4,295,038.86 and 1,681,563 is: 2,320,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,347 : 4,295,038.86 = 1,681,563 : x
  2. Step 2: Convert to fraction form
    3,112,347/4,295,038.86 = 1,681,563/x
  3. Step 3: Cross multiply
    3,112,347x = 4,295,038.86 × 1,681,563
  4. Step 4: Simplify right side
    3,112,347x = 7,222,378,430,538.18
  5. Step 5: Solve for x
    x = 7,222,378,430,538.18/3,112,347
  6. Step 6: Final answer
    x = 2,320,556.94

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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.