Home / 2,112,656.92-2,915,458.14-1,145,783.32

Finding the Fourth Proportional to 2,112,656.92, 2,915,458.14 and 1,145,783.32

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Solution

The fourth proportional to 2,112,656.92, 2,915,458.14 and 1,145,783.32 is: 1,581,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,656.92 : 2,915,458.14 = 1,145,783.32 : x
  2. Step 2: Convert to fraction form
    2,112,656.92/2,915,458.14 = 1,145,783.32/x
  3. Step 3: Cross multiply
    2,112,656.92x = 2,915,458.14 × 1,145,783.32
  4. Step 4: Simplify right side
    2,112,656.92x = 3,340,483,306,970.23
  5. Step 5: Solve for x
    x = 3,340,483,306,970.23/2,112,656.92
  6. Step 6: Final answer
    x = 1,581,176.42

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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.