Home / 3,179,712.80-4,767,927.60-935,559.20

Finding the Fourth Proportional to 3,179,712.80, 4,767,927.60 and 935,559.20

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Solution

The fourth proportional to 3,179,712.80, 4,767,927.60 and 935,559.20 is: 1,402,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,712.80 : 4,767,927.60 = 935,559.20 : x
  2. Step 2: Convert to fraction form
    3,179,712.80/4,767,927.60 = 935,559.20/x
  3. Step 3: Cross multiply
    3,179,712.80x = 4,767,927.60 × 935,559.20
  4. Step 4: Simplify right side
    3,179,712.80x = 4,460,678,531,113.92
  5. Step 5: Solve for x
    x = 4,460,678,531,113.92/3,179,712.80
  6. Step 6: Final answer
    x = 1,402,855.80

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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.