Finding the Fourth Proportional to 4,997,852.62, 7,496,779.21 and 1,211,335.49
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Solution
The fourth proportional to 4,997,852.62, 7,496,779.21 and 1,211,335.49 is: 1,817,003.31
Step by Step Solution
- Step 1: Write the proportion equation
4,997,852.62 : 7,496,779.21 = 1,211,335.49 : x - Step 2: Convert to fraction form
4,997,852.62/7,496,779.21 = 1,211,335.49/x - Step 3: Cross multiply
4,997,852.62x = 7,496,779.21 × 1,211,335.49 - Step 4: Simplify right side
4,997,852.62x = 9,081,114,733,480.77 - Step 5: Solve for x
x = 9,081,114,733,480.77/4,997,852.62 - Step 6: Final answer
x = 1,817,003.31
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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.