Finding the Fourth Proportional to 5,531,763.58, 7,616,462.30 and 4,703,207.74
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Solution
The fourth proportional to 5,531,763.58, 7,616,462.30 and 4,703,207.74 is: 6,475,657.16
Step by Step Solution
- Step 1: Write the proportion equation
5,531,763.58 : 7,616,462.30 = 4,703,207.74 : x - Step 2: Convert to fraction form
5,531,763.58/7,616,462.30 = 4,703,207.74/x - Step 3: Cross multiply
5,531,763.58x = 7,616,462.30 × 4,703,207.74 - Step 4: Simplify right side
5,531,763.58x = 35,821,804,440,778.20 - Step 5: Solve for x
x = 35,821,804,440,778.20/5,531,763.58 - Step 6: Final answer
x = 6,475,657.16
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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.