Finding the Fourth Proportional to 5,579,952.72, 7,701,175.18 and 3,405,759.32
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Solution
The fourth proportional to 5,579,952.72, 7,701,175.18 and 3,405,759.32 is: 4,700,460.82
Step by Step Solution
- Step 1: Write the proportion equation
5,579,952.72 : 7,701,175.18 = 3,405,759.32 : x - Step 2: Convert to fraction form
5,579,952.72/7,701,175.18 = 3,405,759.32/x - Step 3: Cross multiply
5,579,952.72x = 7,701,175.18 × 3,405,759.32 - Step 4: Simplify right side
5,579,952.72x = 26,228,349,144,237.68 - Step 5: Solve for x
x = 26,228,349,144,237.68/5,579,952.72 - Step 6: Final answer
x = 4,700,460.82
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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.