Home / 4,788,920.40-7,183,361.70-1,423,127.40

Finding the Fourth Proportional to 4,788,920.40, 7,183,361.70 and 1,423,127.40

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Solution

The fourth proportional to 4,788,920.40, 7,183,361.70 and 1,423,127.40 is: 2,134,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,920.40 : 7,183,361.70 = 1,423,127.40 : x
  2. Step 2: Convert to fraction form
    4,788,920.40/7,183,361.70 = 1,423,127.40/x
  3. Step 3: Cross multiply
    4,788,920.40x = 7,183,361.70 × 1,423,127.40
  4. Step 4: Simplify right side
    4,788,920.40x = 10,222,838,859,380.58
  5. Step 5: Solve for x
    x = 10,222,838,859,380.58/4,788,920.40
  6. Step 6: Final answer
    x = 2,134,685.48

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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.