Home / 1,821,183.55-2,513,237.02-1,005,388.35

Finding the Fourth Proportional to 1,821,183.55, 2,513,237.02 and 1,005,388.35

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Solution

The fourth proportional to 1,821,183.55, 2,513,237.02 and 1,005,388.35 is: 1,387,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,183.55 : 2,513,237.02 = 1,005,388.35 : x
  2. Step 2: Convert to fraction form
    1,821,183.55/2,513,237.02 = 1,005,388.35/x
  3. Step 3: Cross multiply
    1,821,183.55x = 2,513,237.02 × 1,005,388.35
  4. Step 4: Simplify right side
    1,821,183.55x = 2,526,779,222,895.57
  5. Step 5: Solve for x
    x = 2,526,779,222,895.57/1,821,183.55
  6. Step 6: Final answer
    x = 1,387,437.98

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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.