Home / 5,053,315.20-7,579,972.80-2,777,960.40

Finding the Fourth Proportional to 5,053,315.20, 7,579,972.80 and 2,777,960.40

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Solution

The fourth proportional to 5,053,315.20, 7,579,972.80 and 2,777,960.40 is: 4,166,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053,315.20 : 7,579,972.80 = 2,777,960.40 : x
  2. Step 2: Convert to fraction form
    5,053,315.20/7,579,972.80 = 2,777,960.40/x
  3. Step 3: Cross multiply
    5,053,315.20x = 7,579,972.80 × 2,777,960.40
  4. Step 4: Simplify right side
    5,053,315.20x = 21,056,864,271,477.12
  5. Step 5: Solve for x
    x = 21,056,864,271,477.12/5,053,315.20
  6. Step 6: Final answer
    x = 4,166,940.60

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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.