Home / 3,929,870.16-5,422,782-2,210,953.77

Finding the Fourth Proportional to 3,929,870.16, 5,422,782 and 2,210,953.77

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Solution

The fourth proportional to 3,929,870.16, 5,422,782 and 2,210,953.77 is: 3,050,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,870.16 : 5,422,782 = 2,210,953.77 : x
  2. Step 2: Convert to fraction form
    3,929,870.16/5,422,782 = 2,210,953.77/x
  3. Step 3: Cross multiply
    3,929,870.16x = 5,422,782 × 2,210,953.77
  4. Step 4: Simplify right side
    3,929,870.16x = 11,989,520,306,788.14
  5. Step 5: Solve for x
    x = 11,989,520,306,788.14/3,929,870.16
  6. Step 6: Final answer
    x = 3,050,869.32

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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.