Home / 3,220,491.80-4,830,734.60-824,332.58

Finding the Fourth Proportional to 3,220,491.80, 4,830,734.60 and 824,332.58

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Solution

The fourth proportional to 3,220,491.80, 4,830,734.60 and 824,332.58 is: 1,236,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,491.80 : 4,830,734.60 = 824,332.58 : x
  2. Step 2: Convert to fraction form
    3,220,491.80/4,830,734.60 = 824,332.58/x
  3. Step 3: Cross multiply
    3,220,491.80x = 4,830,734.60 × 824,332.58
  4. Step 4: Simplify right side
    3,220,491.80x = 3,982,131,916,113.27
  5. Step 5: Solve for x
    x = 3,982,131,916,113.27/3,220,491.80
  6. Step 6: Final answer
    x = 1,236,498.08

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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.