Home / 2,783,153.60-4,174,730.40-889,956.80

Finding the Fourth Proportional to 2,783,153.60, 4,174,730.40 and 889,956.80

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Solution

The fourth proportional to 2,783,153.60, 4,174,730.40 and 889,956.80 is: 1,334,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,153.60 : 4,174,730.40 = 889,956.80 : x
  2. Step 2: Convert to fraction form
    2,783,153.60/4,174,730.40 = 889,956.80/x
  3. Step 3: Cross multiply
    2,783,153.60x = 4,174,730.40 × 889,956.80
  4. Step 4: Simplify right side
    2,783,153.60x = 3,715,329,707,646.72
  5. Step 5: Solve for x
    x = 3,715,329,707,646.72/2,783,153.60
  6. Step 6: Final answer
    x = 1,334,935.20

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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.