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Finding the Fourth Proportional to 1,962,889.02, 2,708,798.22 and 1,103,441.76

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Solution

The fourth proportional to 1,962,889.02, 2,708,798.22 and 1,103,441.76 is: 1,522,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,889.02 : 2,708,798.22 = 1,103,441.76 : x
  2. Step 2: Convert to fraction form
    1,962,889.02/2,708,798.22 = 1,103,441.76/x
  3. Step 3: Cross multiply
    1,962,889.02x = 2,708,798.22 × 1,103,441.76
  4. Step 4: Simplify right side
    1,962,889.02x = 2,989,001,075,361.67
  5. Step 5: Solve for x
    x = 2,989,001,075,361.67/1,962,889.02
  6. Step 6: Final answer
    x = 1,522,756.02

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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.