Home / 1,930,142.58-2,663,722.98-1,114,380.64

Finding the Fourth Proportional to 1,930,142.58, 2,663,722.98 and 1,114,380.64

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Solution

The fourth proportional to 1,930,142.58, 2,663,722.98 and 1,114,380.64 is: 1,537,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,142.58 : 2,663,722.98 = 1,114,380.64 : x
  2. Step 2: Convert to fraction form
    1,930,142.58/2,663,722.98 = 1,114,380.64/x
  3. Step 3: Cross multiply
    1,930,142.58x = 2,663,722.98 × 1,114,380.64
  4. Step 4: Simplify right side
    1,930,142.58x = 2,968,401,319,235.11
  5. Step 5: Solve for x
    x = 2,968,401,319,235.11/1,930,142.58
  6. Step 6: Final answer
    x = 1,537,918.16

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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.