Home / 1,511,325.90-2,082,082.14-1,051,649.91

Finding the Fourth Proportional to 1,511,325.90, 2,082,082.14 and 1,051,649.91

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Solution

The fourth proportional to 1,511,325.90, 2,082,082.14 and 1,051,649.91 is: 1,448,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,325.90 : 2,082,082.14 = 1,051,649.91 : x
  2. Step 2: Convert to fraction form
    1,511,325.90/2,082,082.14 = 1,051,649.91/x
  3. Step 3: Cross multiply
    1,511,325.90x = 2,082,082.14 × 1,051,649.91
  4. Step 4: Simplify right side
    1,511,325.90x = 2,189,621,495,143.61
  5. Step 5: Solve for x
    x = 2,189,621,495,143.61/1,511,325.90
  6. Step 6: Final answer
    x = 1,448,808.29

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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.