Home / 2,256,064.66-3,113,374.38-1,289,192.64

Finding the Fourth Proportional to 2,256,064.66, 3,113,374.38 and 1,289,192.64

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Solution

The fourth proportional to 2,256,064.66, 3,113,374.38 and 1,289,192.64 is: 1,779,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,064.66 : 3,113,374.38 = 1,289,192.64 : x
  2. Step 2: Convert to fraction form
    2,256,064.66/3,113,374.38 = 1,289,192.64/x
  3. Step 3: Cross multiply
    2,256,064.66x = 3,113,374.38 × 1,289,192.64
  4. Step 4: Simplify right side
    2,256,064.66x = 4,013,739,336,260.56
  5. Step 5: Solve for x
    x = 4,013,739,336,260.56/2,256,064.66
  6. Step 6: Final answer
    x = 1,779,088.79

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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.