Home / 2,100,705.30-3,144,059.55-1,848,762.90

Finding the Fourth Proportional to 2,100,705.30, 3,144,059.55 and 1,848,762.90

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Solution

The fourth proportional to 2,100,705.30, 3,144,059.55 and 1,848,762.90 is: 2,766,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,705.30 : 3,144,059.55 = 1,848,762.90 : x
  2. Step 2: Convert to fraction form
    2,100,705.30/3,144,059.55 = 1,848,762.90/x
  3. Step 3: Cross multiply
    2,100,705.30x = 3,144,059.55 × 1,848,762.90
  4. Step 4: Simplify right side
    2,100,705.30x = 5,812,620,651,430.69
  5. Step 5: Solve for x
    x = 5,812,620,651,430.69/2,100,705.30
  6. Step 6: Final answer
    x = 2,766,985.28

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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.