Home / 2,910,459.84-4,016,174.04-1,621,272.60

Finding the Fourth Proportional to 2,910,459.84, 4,016,174.04 and 1,621,272.60

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Solution

The fourth proportional to 2,910,459.84, 4,016,174.04 and 1,621,272.60 is: 2,237,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,459.84 : 4,016,174.04 = 1,621,272.60 : x
  2. Step 2: Convert to fraction form
    2,910,459.84/4,016,174.04 = 1,621,272.60/x
  3. Step 3: Cross multiply
    2,910,459.84x = 4,016,174.04 × 1,621,272.60
  4. Step 4: Simplify right side
    2,910,459.84x = 6,511,312,927,883.31
  5. Step 5: Solve for x
    x = 6,511,312,927,883.31/2,910,459.84
  6. Step 6: Final answer
    x = 2,237,211.05

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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.