Home / 3,159,986.40-4,739,979.60-1,946,529.45

Finding the Fourth Proportional to 3,159,986.40, 4,739,979.60 and 1,946,529.45

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Solution

The fourth proportional to 3,159,986.40, 4,739,979.60 and 1,946,529.45 is: 2,919,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,986.40 : 4,739,979.60 = 1,946,529.45 : x
  2. Step 2: Convert to fraction form
    3,159,986.40/4,739,979.60 = 1,946,529.45/x
  3. Step 3: Cross multiply
    3,159,986.40x = 4,739,979.60 × 1,946,529.45
  4. Step 4: Simplify right side
    3,159,986.40x = 9,226,509,883,799.22
  5. Step 5: Solve for x
    x = 9,226,509,883,799.22/3,159,986.40
  6. Step 6: Final answer
    x = 2,919,794.18

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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.