Home / 2,209,511.32-3,048,668.43-1,291,563.02

Finding the Fourth Proportional to 2,209,511.32, 3,048,668.43 and 1,291,563.02

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Solution

The fourth proportional to 2,209,511.32, 3,048,668.43 and 1,291,563.02 is: 1,782,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,511.32 : 3,048,668.43 = 1,291,563.02 : x
  2. Step 2: Convert to fraction form
    2,209,511.32/3,048,668.43 = 1,291,563.02/x
  3. Step 3: Cross multiply
    2,209,511.32x = 3,048,668.43 × 1,291,563.02
  4. Step 4: Simplify right side
    2,209,511.32x = 3,937,547,414,472.81
  5. Step 5: Solve for x
    x = 3,937,547,414,472.81/2,209,511.32
  6. Step 6: Final answer
    x = 1,782,089.72

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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.