Home / 3,620,505.63-4,996,301.06-1,989,018.69

Finding the Fourth Proportional to 3,620,505.63, 4,996,301.06 and 1,989,018.69

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Solution

The fourth proportional to 3,620,505.63, 4,996,301.06 and 1,989,018.69 is: 2,744,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,505.63 : 4,996,301.06 = 1,989,018.69 : x
  2. Step 2: Convert to fraction form
    3,620,505.63/4,996,301.06 = 1,989,018.69/x
  3. Step 3: Cross multiply
    3,620,505.63x = 4,996,301.06 × 1,989,018.69
  4. Step 4: Simplify right side
    3,620,505.63x = 9,937,736,189,206.81
  5. Step 5: Solve for x
    x = 9,937,736,189,206.81/3,620,505.63
  6. Step 6: Final answer
    x = 2,744,847.60

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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.