Home / 3,169,619.71-4,369,221.74-1,943,651.77

Finding the Fourth Proportional to 3,169,619.71, 4,369,221.74 and 1,943,651.77

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Solution

The fourth proportional to 3,169,619.71, 4,369,221.74 and 1,943,651.77 is: 2,679,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,619.71 : 4,369,221.74 = 1,943,651.77 : x
  2. Step 2: Convert to fraction form
    3,169,619.71/4,369,221.74 = 1,943,651.77/x
  3. Step 3: Cross multiply
    3,169,619.71x = 4,369,221.74 × 1,943,651.77
  4. Step 4: Simplify right side
    3,169,619.71x = 8,492,245,562,409.56
  5. Step 5: Solve for x
    x = 8,492,245,562,409.56/3,169,619.71
  6. Step 6: Final answer
    x = 2,679,263.24

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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.