Home / 2,808,984.15-3,876,411.40-1,585,341.25

Finding the Fourth Proportional to 2,808,984.15, 3,876,411.40 and 1,585,341.25

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Solution

The fourth proportional to 2,808,984.15, 3,876,411.40 and 1,585,341.25 is: 2,187,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,984.15 : 3,876,411.40 = 1,585,341.25 : x
  2. Step 2: Convert to fraction form
    2,808,984.15/3,876,411.40 = 1,585,341.25/x
  3. Step 3: Cross multiply
    2,808,984.15x = 3,876,411.40 × 1,585,341.25
  4. Step 4: Simplify right side
    2,808,984.15x = 6,145,434,880,735.87
  5. Step 5: Solve for x
    x = 6,145,434,880,735.87/2,808,984.15
  6. Step 6: Final answer
    x = 2,187,778.41

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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.