Home / 3,470,479.40-4,789,228.28-1,999,847.66

Finding the Fourth Proportional to 3,470,479.40, 4,789,228.28 and 1,999,847.66

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Solution

The fourth proportional to 3,470,479.40, 4,789,228.28 and 1,999,847.66 is: 2,759,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,479.40 : 4,789,228.28 = 1,999,847.66 : x
  2. Step 2: Convert to fraction form
    3,470,479.40/4,789,228.28 = 1,999,847.66/x
  3. Step 3: Cross multiply
    3,470,479.40x = 4,789,228.28 × 1,999,847.66
  4. Step 4: Simplify right side
    3,470,479.40x = 9,577,726,935,018.45
  5. Step 5: Solve for x
    x = 9,577,726,935,018.45/3,470,479.40
  6. Step 6: Final answer
    x = 2,759,770.57

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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.