Home / 2,106,379.60-2,906,797.52-1,139,509.68

Finding the Fourth Proportional to 2,106,379.60, 2,906,797.52 and 1,139,509.68

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Solution

The fourth proportional to 2,106,379.60, 2,906,797.52 and 1,139,509.68 is: 1,572,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,379.60 : 2,906,797.52 = 1,139,509.68 : x
  2. Step 2: Convert to fraction form
    2,106,379.60/2,906,797.52 = 1,139,509.68/x
  3. Step 3: Cross multiply
    2,106,379.60x = 2,906,797.52 × 1,139,509.68
  4. Step 4: Simplify right side
    2,106,379.60x = 3,312,323,911,839.99
  5. Step 5: Solve for x
    x = 3,312,323,911,839.99/2,106,379.60
  6. Step 6: Final answer
    x = 1,572,519.94

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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.