Home / 1,870,607.72-2,580,099.17-1,216,012.65

Finding the Fourth Proportional to 1,870,607.72, 2,580,099.17 and 1,216,012.65

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Solution

The fourth proportional to 1,870,607.72, 2,580,099.17 and 1,216,012.65 is: 1,677,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,607.72 : 2,580,099.17 = 1,216,012.65 : x
  2. Step 2: Convert to fraction form
    1,870,607.72/2,580,099.17 = 1,216,012.65/x
  3. Step 3: Cross multiply
    1,870,607.72x = 2,580,099.17 × 1,216,012.65
  4. Step 4: Simplify right side
    1,870,607.72x = 3,137,433,222,894.44
  5. Step 5: Solve for x
    x = 3,137,433,222,894.44/1,870,607.72
  6. Step 6: Final answer
    x = 1,677,226.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.