Home / 2,875,209.40-4,303,839.30-2,117,904.76

Finding the Fourth Proportional to 2,875,209.40, 4,303,839.30 and 2,117,904.76

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Solution

The fourth proportional to 2,875,209.40, 4,303,839.30 and 2,117,904.76 is: 3,170,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,209.40 : 4,303,839.30 = 2,117,904.76 : x
  2. Step 2: Convert to fraction form
    2,875,209.40/4,303,839.30 = 2,117,904.76/x
  3. Step 3: Cross multiply
    2,875,209.40x = 4,303,839.30 × 2,117,904.76
  4. Step 4: Simplify right side
    2,875,209.40x = 9,115,121,739,745.07
  5. Step 5: Solve for x
    x = 9,115,121,739,745.07/2,875,209.40
  6. Step 6: Final answer
    x = 3,170,246.22

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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.