Finding the Fourth Proportional to 5,727,782.16, 7,904,310.84 and 3,374,345.88
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Solution
The fourth proportional to 5,727,782.16, 7,904,310.84 and 3,374,345.88 is: 4,656,580.50
Step by Step Solution
- Step 1: Write the proportion equation
5,727,782.16 : 7,904,310.84 = 3,374,345.88 : x - Step 2: Convert to fraction form
5,727,782.16/7,904,310.84 = 3,374,345.88/x - Step 3: Cross multiply
5,727,782.16x = 7,904,310.84 × 3,374,345.88 - Step 4: Simplify right side
5,727,782.16x = 26,671,878,717,193.34 - Step 5: Solve for x
x = 26,671,878,717,193.34/5,727,782.16 - Step 6: Final answer
x = 4,656,580.50
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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.