Home / 3,113,169.81-4,296,280.79-1,806,323.19

Finding the Fourth Proportional to 3,113,169.81, 4,296,280.79 and 1,806,323.19

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Solution

The fourth proportional to 3,113,169.81, 4,296,280.79 and 1,806,323.19 is: 2,492,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,169.81 : 4,296,280.79 = 1,806,323.19 : x
  2. Step 2: Convert to fraction form
    3,113,169.81/4,296,280.79 = 1,806,323.19/x
  3. Step 3: Cross multiply
    3,113,169.81x = 4,296,280.79 × 1,806,323.19
  4. Step 4: Simplify right side
    3,113,169.81x = 7,760,471,621,728.52
  5. Step 5: Solve for x
    x = 7,760,471,621,728.52/3,113,169.81
  6. Step 6: Final answer
    x = 2,492,787.77

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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.