Home / 2,153,030.60-3,228,768.30-1,087,718.60

Finding the Fourth Proportional to 2,153,030.60, 3,228,768.30 and 1,087,718.60

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Solution

The fourth proportional to 2,153,030.60, 3,228,768.30 and 1,087,718.60 is: 1,631,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,030.60 : 3,228,768.30 = 1,087,718.60 : x
  2. Step 2: Convert to fraction form
    2,153,030.60/3,228,768.30 = 1,087,718.60/x
  3. Step 3: Cross multiply
    2,153,030.60x = 3,228,768.30 × 1,087,718.60
  4. Step 4: Simplify right side
    2,153,030.60x = 3,511,991,335,000.38
  5. Step 5: Solve for x
    x = 3,511,991,335,000.38/2,153,030.60
  6. Step 6: Final answer
    x = 1,631,185.05

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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.