Home / 4,859,323.62-7,289,012.68-1,620,852.40

Finding the Fourth Proportional to 4,859,323.62, 7,289,012.68 and 1,620,852.40

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Solution

The fourth proportional to 4,859,323.62, 7,289,012.68 and 1,620,852.40 is: 2,431,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859,323.62 : 7,289,012.68 = 1,620,852.40 : x
  2. Step 2: Convert to fraction form
    4,859,323.62/7,289,012.68 = 1,620,852.40/x
  3. Step 3: Cross multiply
    4,859,323.62x = 7,289,012.68 × 1,620,852.40
  4. Step 4: Simplify right side
    4,859,323.62x = 11,814,413,696,008.43
  5. Step 5: Solve for x
    x = 11,814,413,696,008.43/4,859,323.62
  6. Step 6: Final answer
    x = 2,431,287.69

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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.