Finding the Fourth Proportional to 5,679,378.99, 7,837,511.97 and 3,101,041.29
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Solution
The fourth proportional to 5,679,378.99, 7,837,511.97 and 3,101,041.29 is: 4,279,420.04
Step by Step Solution
- Step 1: Write the proportion equation
5,679,378.99 : 7,837,511.97 = 3,101,041.29 : x - Step 2: Convert to fraction form
5,679,378.99/7,837,511.97 = 3,101,041.29/x - Step 3: Cross multiply
5,679,378.99x = 7,837,511.97 × 3,101,041.29 - Step 4: Simplify right side
5,679,378.99x = 24,304,448,270,858.82 - Step 5: Solve for x
x = 24,304,448,270,858.82/5,679,378.99 - Step 6: Final answer
x = 4,279,420.04
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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.