Home / 2,279,062.92-3,146,075.22-1,420,047.60

Finding the Fourth Proportional to 2,279,062.92, 3,146,075.22 and 1,420,047.60

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Solution

The fourth proportional to 2,279,062.92, 3,146,075.22 and 1,420,047.60 is: 1,960,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,062.92 : 3,146,075.22 = 1,420,047.60 : x
  2. Step 2: Convert to fraction form
    2,279,062.92/3,146,075.22 = 1,420,047.60/x
  3. Step 3: Cross multiply
    2,279,062.92x = 3,146,075.22 × 1,420,047.60
  4. Step 4: Simplify right side
    2,279,062.92x = 4,467,576,565,580.47
  5. Step 5: Solve for x
    x = 4,467,576,565,580.47/2,279,062.92
  6. Step 6: Final answer
    x = 1,960,269.08

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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.