Home / 1,921,834.84-2,880,500.58-783,886.84

Finding the Fourth Proportional to 1,921,834.84, 2,880,500.58 and 783,886.84

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Solution

The fourth proportional to 1,921,834.84, 2,880,500.58 and 783,886.84 is: 1,174,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,834.84 : 2,880,500.58 = 783,886.84 : x
  2. Step 2: Convert to fraction form
    1,921,834.84/2,880,500.58 = 783,886.84/x
  3. Step 3: Cross multiply
    1,921,834.84x = 2,880,500.58 × 783,886.84
  4. Step 4: Simplify right side
    1,921,834.84x = 2,257,986,497,274.37
  5. Step 5: Solve for x
    x = 2,257,986,497,274.37/1,921,834.84
  6. Step 6: Final answer
    x = 1,174,911.83

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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.