Home / 1,511,328.67-2,082,086.07-1,051,652.72

Finding the Fourth Proportional to 1,511,328.67, 2,082,086.07 and 1,051,652.72

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Solution

The fourth proportional to 1,511,328.67, 2,082,086.07 and 1,051,652.72 is: 1,448,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,328.67 : 2,082,086.07 = 1,051,652.72 : x
  2. Step 2: Convert to fraction form
    1,511,328.67/2,082,086.07 = 1,051,652.72/x
  3. Step 3: Cross multiply
    1,511,328.67x = 2,082,086.07 × 1,051,652.72
  4. Step 4: Simplify right side
    1,511,328.67x = 2,189,631,480,051.13
  5. Step 5: Solve for x
    x = 2,189,631,480,051.13/1,511,328.67
  6. Step 6: Final answer
    x = 1,448,812.25

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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.