Home / 1,998,630.70-2,994,446.85-1,641,712.30

Finding the Fourth Proportional to 1,998,630.70, 2,994,446.85 and 1,641,712.30

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Solution

The fourth proportional to 1,998,630.70, 2,994,446.85 and 1,641,712.30 is: 2,459,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,630.70 : 2,994,446.85 = 1,641,712.30 : x
  2. Step 2: Convert to fraction form
    1,998,630.70/2,994,446.85 = 1,641,712.30/x
  3. Step 3: Cross multiply
    1,998,630.70x = 2,994,446.85 × 1,641,712.30
  4. Step 4: Simplify right side
    1,998,630.70x = 4,916,020,225,341.26
  5. Step 5: Solve for x
    x = 4,916,020,225,341.26/1,998,630.70
  6. Step 6: Final answer
    x = 2,459,694.14

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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.