Home / 1,866,715.86-2,576,313.55-1,051,078.48

Finding the Fourth Proportional to 1,866,715.86, 2,576,313.55 and 1,051,078.48

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Solution

The fourth proportional to 1,866,715.86, 2,576,313.55 and 1,051,078.48 is: 1,450,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,715.86 : 2,576,313.55 = 1,051,078.48 : x
  2. Step 2: Convert to fraction form
    1,866,715.86/2,576,313.55 = 1,051,078.48/x
  3. Step 3: Cross multiply
    1,866,715.86x = 2,576,313.55 × 1,051,078.48
  4. Step 4: Simplify right side
    1,866,715.86x = 2,707,907,730,137.40
  5. Step 5: Solve for x
    x = 2,707,907,730,137.40/1,866,715.86
  6. Step 6: Final answer
    x = 1,450,626.63

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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.