Home / 2,567,442.79-3,543,181.74-1,421,523.10

Finding the Fourth Proportional to 2,567,442.79, 3,543,181.74 and 1,421,523.10

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Solution

The fourth proportional to 2,567,442.79, 3,543,181.74 and 1,421,523.10 is: 1,961,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,442.79 : 3,543,181.74 = 1,421,523.10 : x
  2. Step 2: Convert to fraction form
    2,567,442.79/3,543,181.74 = 1,421,523.10/x
  3. Step 3: Cross multiply
    2,567,442.79x = 3,543,181.74 × 1,421,523.10
  4. Step 4: Simplify right side
    2,567,442.79x = 5,036,714,690,908.19
  5. Step 5: Solve for x
    x = 5,036,714,690,908.19/2,567,442.79
  6. Step 6: Final answer
    x = 1,961,763.16

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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.