Home / 3,119,686.20-4,679,529.30-1,097,914.05

Finding the Fourth Proportional to 3,119,686.20, 4,679,529.30 and 1,097,914.05

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Solution

The fourth proportional to 3,119,686.20, 4,679,529.30 and 1,097,914.05 is: 1,646,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,686.20 : 4,679,529.30 = 1,097,914.05 : x
  2. Step 2: Convert to fraction form
    3,119,686.20/4,679,529.30 = 1,097,914.05/x
  3. Step 3: Cross multiply
    3,119,686.20x = 4,679,529.30 × 1,097,914.05
  4. Step 4: Simplify right side
    3,119,686.20x = 5,137,720,965,856.67
  5. Step 5: Solve for x
    x = 5,137,720,965,856.67/3,119,686.20
  6. Step 6: Final answer
    x = 1,646,871.08

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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.