Home / 1,868,112.72-2,577,100.68-1,795,686.48

Finding the Fourth Proportional to 1,868,112.72, 2,577,100.68 and 1,795,686.48

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Solution

The fourth proportional to 1,868,112.72, 2,577,100.68 and 1,795,686.48 is: 2,477,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,112.72 : 2,577,100.68 = 1,795,686.48 : x
  2. Step 2: Convert to fraction form
    1,868,112.72/2,577,100.68 = 1,795,686.48/x
  3. Step 3: Cross multiply
    1,868,112.72x = 2,577,100.68 × 1,795,686.48
  4. Step 4: Simplify right side
    1,868,112.72x = 4,627,664,848,674.81
  5. Step 5: Solve for x
    x = 4,627,664,848,674.81/1,868,112.72
  6. Step 6: Final answer
    x = 2,477,187.16

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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.