Home / 2,928,764.22-4,042,178.23-2,010,238.78

Finding the Fourth Proportional to 2,928,764.22, 4,042,178.23 and 2,010,238.78

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Solution

The fourth proportional to 2,928,764.22, 4,042,178.23 and 2,010,238.78 is: 2,774,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,764.22 : 4,042,178.23 = 2,010,238.78 : x
  2. Step 2: Convert to fraction form
    2,928,764.22/4,042,178.23 = 2,010,238.78/x
  3. Step 3: Cross multiply
    2,928,764.22x = 4,042,178.23 × 2,010,238.78
  4. Step 4: Simplify right side
    2,928,764.22x = 8,125,743,433,617.76
  5. Step 5: Solve for x
    x = 8,125,743,433,617.76/2,928,764.22
  6. Step 6: Final answer
    x = 2,774,461.45

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1.5x scale

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.