Home / 2,585,808.30-3,878,712.37-1,219,263.90

Finding the Fourth Proportional to 2,585,808.30, 3,878,712.37 and 1,219,263.90

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Solution

The fourth proportional to 2,585,808.30, 3,878,712.37 and 1,219,263.90 is: 1,828,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,808.30 : 3,878,712.37 = 1,219,263.90 : x
  2. Step 2: Convert to fraction form
    2,585,808.30/3,878,712.37 = 1,219,263.90/x
  3. Step 3: Cross multiply
    2,585,808.30x = 3,878,712.37 × 1,219,263.90
  4. Step 4: Simplify right side
    2,585,808.30x = 4,729,173,971,224.44
  5. Step 5: Solve for x
    x = 4,729,173,971,224.44/2,585,808.30
  6. Step 6: Final answer
    x = 1,828,895.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.