Finding the Fourth Proportional to 6,819,400.99, 9,411,993.62 and 4,066,266.07
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Solution
The fourth proportional to 6,819,400.99, 9,411,993.62 and 4,066,266.07 is: 5,612,174.79
Step by Step Solution
- Step 1: Write the proportion equation
6,819,400.99 : 9,411,993.62 = 4,066,266.07 : x - Step 2: Convert to fraction form
6,819,400.99/9,411,993.62 = 4,066,266.07/x - Step 3: Cross multiply
6,819,400.99x = 9,411,993.62 × 4,066,266.07 - Step 4: Simplify right side
6,819,400.99x = 38,271,670,308,062.47 - Step 5: Solve for x
x = 38,271,670,308,062.47/6,819,400.99 - Step 6: Final answer
x = 5,612,174.79
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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.