Finding the Fourth Proportional to 2,368,929.56, 3,269,122.80 and 1,281,201.15
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Solution
The fourth proportional to 2,368,929.56, 3,269,122.80 and 1,281,201.15 is: 1,768,057.59
Step by Step Solution
- Step 1: Write the proportion equation
2,368,929.56 : 3,269,122.80 = 1,281,201.15 : x - Step 2: Convert to fraction form
2,368,929.56/3,269,122.80 = 1,281,201.15/x - Step 3: Cross multiply
2,368,929.56x = 3,269,122.80 × 1,281,201.15 - Step 4: Simplify right side
2,368,929.56x = 4,188,403,890,851.22 - Step 5: Solve for x
x = 4,188,403,890,851.22/2,368,929.56 - Step 6: Final answer
x = 1,768,057.59
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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.