Home / 1,968,459.78-2,716,474.53-1,063,041.78

Finding the Fourth Proportional to 1,968,459.78, 2,716,474.53 and 1,063,041.78

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Solution

The fourth proportional to 1,968,459.78, 2,716,474.53 and 1,063,041.78 is: 1,466,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,459.78 : 2,716,474.53 = 1,063,041.78 : x
  2. Step 2: Convert to fraction form
    1,968,459.78/2,716,474.53 = 1,063,041.78/x
  3. Step 3: Cross multiply
    1,968,459.78x = 2,716,474.53 × 1,063,041.78
  4. Step 4: Simplify right side
    1,968,459.78x = 2,887,725,919,695.86
  5. Step 5: Solve for x
    x = 2,887,725,919,695.86/1,968,459.78
  6. Step 6: Final answer
    x = 1,466,997.67

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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.