Home / 2,689,937.18-4,034,923.94-983,378.45

Finding the Fourth Proportional to 2,689,937.18, 4,034,923.94 and 983,378.45

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Solution

The fourth proportional to 2,689,937.18, 4,034,923.94 and 983,378.45 is: 1,475,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,937.18 : 4,034,923.94 = 983,378.45 : x
  2. Step 2: Convert to fraction form
    2,689,937.18/4,034,923.94 = 983,378.45/x
  3. Step 3: Cross multiply
    2,689,937.18x = 4,034,923.94 × 983,378.45
  4. Step 4: Simplify right side
    2,689,937.18x = 3,967,857,224,893.58
  5. Step 5: Solve for x
    x = 3,967,857,224,893.58/2,689,937.18
  6. Step 6: Final answer
    x = 1,475,074.31

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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.