Home / 3,185,943.40-4,771,041.90-2,115,188.20

Finding the Fourth Proportional to 3,185,943.40, 4,771,041.90 and 2,115,188.20

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Solution

The fourth proportional to 3,185,943.40, 4,771,041.90 and 2,115,188.20 is: 3,167,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,943.40 : 4,771,041.90 = 2,115,188.20 : x
  2. Step 2: Convert to fraction form
    3,185,943.40/4,771,041.90 = 2,115,188.20/x
  3. Step 3: Cross multiply
    3,185,943.40x = 4,771,041.90 × 2,115,188.20
  4. Step 4: Simplify right side
    3,185,943.40x = 10,091,651,528,585.58
  5. Step 5: Solve for x
    x = 10,091,651,528,585.58/3,185,943.40
  6. Step 6: Final answer
    x = 3,167,555.18

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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.