Home / 2,813,929.30-4,220,895.53-1,976,220.82

Finding the Fourth Proportional to 2,813,929.30, 4,220,895.53 and 1,976,220.82

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Solution

The fourth proportional to 2,813,929.30, 4,220,895.53 and 1,976,220.82 is: 2,964,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,929.30 : 4,220,895.53 = 1,976,220.82 : x
  2. Step 2: Convert to fraction form
    2,813,929.30/4,220,895.53 = 1,976,220.82/x
  3. Step 3: Cross multiply
    2,813,929.30x = 4,220,895.53 × 1,976,220.82
  4. Step 4: Simplify right side
    2,813,929.30x = 8,341,421,625,430.94
  5. Step 5: Solve for x
    x = 8,341,421,625,430.94/2,813,929.30
  6. Step 6: Final answer
    x = 2,964,332.34

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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.