Home / 3,842,218.56-5,302,118.40-2,210,878.20

Finding the Fourth Proportional to 3,842,218.56, 5,302,118.40 and 2,210,878.20

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Solution

The fourth proportional to 3,842,218.56, 5,302,118.40 and 2,210,878.20 is: 3,050,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,218.56 : 5,302,118.40 = 2,210,878.20 : x
  2. Step 2: Convert to fraction form
    3,842,218.56/5,302,118.40 = 2,210,878.20/x
  3. Step 3: Cross multiply
    3,842,218.56x = 5,302,118.40 × 2,210,878.20
  4. Step 4: Simplify right side
    3,842,218.56x = 11,722,337,984,378.88
  5. Step 5: Solve for x
    x = 11,722,337,984,378.88/3,842,218.56
  6. Step 6: Final answer
    x = 3,050,929.51

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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.