Home / 2,912,102.40-4,021,182.72-1,826,200.32

Finding the Fourth Proportional to 2,912,102.40, 4,021,182.72 and 1,826,200.32

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Solution

The fourth proportional to 2,912,102.40, 4,021,182.72 and 1,826,200.32 is: 2,521,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,102.40 : 4,021,182.72 = 1,826,200.32 : x
  2. Step 2: Convert to fraction form
    2,912,102.40/4,021,182.72 = 1,826,200.32/x
  3. Step 3: Cross multiply
    2,912,102.40x = 4,021,182.72 × 1,826,200.32
  4. Step 4: Simplify right side
    2,912,102.40x = 7,343,485,170,042.47
  5. Step 5: Solve for x
    x = 7,343,485,170,042.47/2,912,102.40
  6. Step 6: Final answer
    x = 2,521,712.55

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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.