Home / 2,120,868.36-3,180,823.16-604,518.66

Finding the Fourth Proportional to 2,120,868.36, 3,180,823.16 and 604,518.66

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Solution

The fourth proportional to 2,120,868.36, 3,180,823.16 and 604,518.66 is: 906,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,868.36 : 3,180,823.16 = 604,518.66 : x
  2. Step 2: Convert to fraction form
    2,120,868.36/3,180,823.16 = 604,518.66/x
  3. Step 3: Cross multiply
    2,120,868.36x = 3,180,823.16 × 604,518.66
  4. Step 4: Simplify right side
    2,120,868.36x = 1,922,866,951,357.57
  5. Step 5: Solve for x
    x = 1,922,866,951,357.57/2,120,868.36
  6. Step 6: Final answer
    x = 906,641.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.