Home / 1,779,467.11-2,668,649.12-642,082.22

Finding the Fourth Proportional to 1,779,467.11, 2,668,649.12 and 642,082.22

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Solution

The fourth proportional to 1,779,467.11, 2,668,649.12 and 642,082.22 is: 962,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,467.11 : 2,668,649.12 = 642,082.22 : x
  2. Step 2: Convert to fraction form
    1,779,467.11/2,668,649.12 = 642,082.22/x
  3. Step 3: Cross multiply
    1,779,467.11x = 2,668,649.12 × 642,082.22
  4. Step 4: Simplify right side
    1,779,467.11x = 1,713,492,147,232.23
  5. Step 5: Solve for x
    x = 1,713,492,147,232.23/1,779,467.11
  6. Step 6: Final answer
    x = 962,924.32

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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.