Home / 1,999,821.75-3,000,045.47-651,671.43

Finding the Fourth Proportional to 1,999,821.75, 3,000,045.47 and 651,671.43

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Solution

The fourth proportional to 1,999,821.75, 3,000,045.47 and 651,671.43 is: 977,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,821.75 : 3,000,045.47 = 651,671.43 : x
  2. Step 2: Convert to fraction form
    1,999,821.75/3,000,045.47 = 651,671.43/x
  3. Step 3: Cross multiply
    1,999,821.75x = 3,000,045.47 × 651,671.43
  4. Step 4: Simplify right side
    1,999,821.75x = 1,955,043,918,241.57
  5. Step 5: Solve for x
    x = 1,955,043,918,241.57/1,999,821.75
  6. Step 6: Final answer
    x = 977,609.09

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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.