Home / 3,548,709.81-5,323,107.38-989,769

Finding the Fourth Proportional to 3,548,709.81, 5,323,107.38 and 989,769

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Solution

The fourth proportional to 3,548,709.81, 5,323,107.38 and 989,769 is: 1,484,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,709.81 : 5,323,107.38 = 989,769 : x
  2. Step 2: Convert to fraction form
    3,548,709.81/5,323,107.38 = 989,769/x
  3. Step 3: Cross multiply
    3,548,709.81x = 5,323,107.38 × 989,769
  4. Step 4: Simplify right side
    3,548,709.81x = 5,268,646,668,395.22
  5. Step 5: Solve for x
    x = 5,268,646,668,395.22/3,548,709.81
  6. Step 6: Final answer
    x = 1,484,665.40

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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.