Finding the Fourth Proportional to 2,990,609.18, 4,463,027.70 and 2,671,482.14
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Solution
The fourth proportional to 2,990,609.18, 4,463,027.70 and 2,671,482.14 is: 3,986,779.31
Step by Step Solution
- Step 1: Write the proportion equation
2,990,609.18 : 4,463,027.70 = 2,671,482.14 : x - Step 2: Convert to fraction form
2,990,609.18/4,463,027.70 = 2,671,482.14/x - Step 3: Cross multiply
2,990,609.18x = 4,463,027.70 × 2,671,482.14 - Step 4: Simplify right side
2,990,609.18x = 11,922,898,790,875.28 - Step 5: Solve for x
x = 11,922,898,790,875.28/2,990,609.18 - Step 6: Final answer
x = 3,986,779.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.