Finding the Fourth Proportional to 5,513,505.26, 7,607,522.31 and 3,221,223.08
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Solution
The fourth proportional to 5,513,505.26, 7,607,522.31 and 3,221,223.08 is: 4,444,636.45
Step by Step Solution
- Step 1: Write the proportion equation
5,513,505.26 : 7,607,522.31 = 3,221,223.08 : x - Step 2: Convert to fraction form
5,513,505.26/7,607,522.31 = 3,221,223.08/x - Step 3: Cross multiply
5,513,505.26x = 7,607,522.31 × 3,221,223.08 - Step 4: Simplify right side
5,513,505.26x = 24,505,526,446,586.91 - Step 5: Solve for x
x = 24,505,526,446,586.91/5,513,505.26 - Step 6: Final answer
x = 4,444,636.45
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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.