Home / 2,106,784.14-2,907,050.40-1,279,427.46

Finding the Fourth Proportional to 2,106,784.14, 2,907,050.40 and 1,279,427.46

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Solution

The fourth proportional to 2,106,784.14, 2,907,050.40 and 1,279,427.46 is: 1,765,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,784.14 : 2,907,050.40 = 1,279,427.46 : x
  2. Step 2: Convert to fraction form
    2,106,784.14/2,907,050.40 = 1,279,427.46/x
  3. Step 3: Cross multiply
    2,106,784.14x = 2,907,050.40 × 1,279,427.46
  4. Step 4: Simplify right side
    2,106,784.14x = 3,719,360,109,363.98
  5. Step 5: Solve for x
    x = 3,719,360,109,363.98/2,106,784.14
  6. Step 6: Final answer
    x = 1,765,420.59

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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.