Finding the Fourth Proportional to 1,445,867.66, 2,169,396.99 and 635,835.66
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Solution
The fourth proportional to 1,445,867.66, 2,169,396.99 and 635,835.66 is: 954,015.37
Step by Step Solution
- Step 1: Write the proportion equation
1,445,867.66 : 2,169,396.99 = 635,835.66 : x - Step 2: Convert to fraction form
1,445,867.66/2,169,396.99 = 635,835.66/x - Step 3: Cross multiply
1,445,867.66x = 2,169,396.99 × 635,835.66 - Step 4: Simplify right side
1,445,867.66x = 1,379,379,966,938.66 - Step 5: Solve for x
x = 1,379,379,966,938.66/1,445,867.66 - Step 6: Final answer
x = 954,015.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.