Home / 4,788,207.36-7,181,082.24-1,421,633.28

Finding the Fourth Proportional to 4,788,207.36, 7,181,082.24 and 1,421,633.28

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Solution

The fourth proportional to 4,788,207.36, 7,181,082.24 and 1,421,633.28 is: 2,132,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,207.36 : 7,181,082.24 = 1,421,633.28 : x
  2. Step 2: Convert to fraction form
    4,788,207.36/7,181,082.24 = 1,421,633.28/x
  3. Step 3: Cross multiply
    4,788,207.36x = 7,181,082.24 × 1,421,633.28
  4. Step 4: Simplify right side
    4,788,207.36x = 10,208,865,498,800.95
  5. Step 5: Solve for x
    x = 10,208,865,498,800.95/4,788,207.36
  6. Step 6: Final answer
    x = 2,132,085.09

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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.