Finding the Fourth Proportional to 4,991,507.75, 7,487,261.93 and 1,625,714.75
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Solution
The fourth proportional to 4,991,507.75, 7,487,261.93 and 1,625,714.75 is: 2,438,572.23
Step by Step Solution
- Step 1: Write the proportion equation
4,991,507.75 : 7,487,261.93 = 1,625,714.75 : x - Step 2: Convert to fraction form
4,991,507.75/7,487,261.93 = 1,625,714.75/x - Step 3: Cross multiply
4,991,507.75x = 7,487,261.93 × 1,625,714.75 - Step 4: Simplify right side
4,991,507.75x = 12,172,152,179,496.91 - Step 5: Solve for x
x = 12,172,152,179,496.91/4,991,507.75 - Step 6: Final answer
x = 2,438,572.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.