Home / 2,109,769.19-2,911,478.85-1,142,903.48

Finding the Fourth Proportional to 2,109,769.19, 2,911,478.85 and 1,142,903.48

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Solution

The fourth proportional to 2,109,769.19, 2,911,478.85 and 1,142,903.48 is: 1,577,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,769.19 : 2,911,478.85 = 1,142,903.48 : x
  2. Step 2: Convert to fraction form
    2,109,769.19/2,911,478.85 = 1,142,903.48/x
  3. Step 3: Cross multiply
    2,109,769.19x = 2,911,478.85 × 1,142,903.48
  4. Step 4: Simplify right side
    2,109,769.19x = 3,327,539,295,054.00
  5. Step 5: Solve for x
    x = 3,327,539,295,054.00/2,109,769.19
  6. Step 6: Final answer
    x = 1,577,205.37

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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.