Home / 1,630,919.70-2,446,189.38-432,935.10

Finding the Fourth Proportional to 1,630,919.70, 2,446,189.38 and 432,935.10

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Solution

The fourth proportional to 1,630,919.70, 2,446,189.38 and 432,935.10 is: 649,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,919.70 : 2,446,189.38 = 432,935.10 : x
  2. Step 2: Convert to fraction form
    1,630,919.70/2,446,189.38 = 432,935.10/x
  3. Step 3: Cross multiply
    1,630,919.70x = 2,446,189.38 × 432,935.10
  4. Step 4: Simplify right side
    1,630,919.70x = 1,059,041,243,849.24
  5. Step 5: Solve for x
    x = 1,059,041,243,849.24/1,630,919.70
  6. Step 6: Final answer
    x = 649,352.17

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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.