Home / 1,639,650.60-2,459,475.90-1,297,166.40

Finding the Fourth Proportional to 1,639,650.60, 2,459,475.90 and 1,297,166.40

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Solution

The fourth proportional to 1,639,650.60, 2,459,475.90 and 1,297,166.40 is: 1,945,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,650.60 : 2,459,475.90 = 1,297,166.40 : x
  2. Step 2: Convert to fraction form
    1,639,650.60/2,459,475.90 = 1,297,166.40/x
  3. Step 3: Cross multiply
    1,639,650.60x = 2,459,475.90 × 1,297,166.40
  4. Step 4: Simplify right side
    1,639,650.60x = 3,190,349,499,089.76
  5. Step 5: Solve for x
    x = 3,190,349,499,089.76/1,639,650.60
  6. Step 6: Final answer
    x = 1,945,749.60

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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.