Finding the Fourth Proportional to 3,405,079.16, 4,699,041.29 and 1,877,240.96
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Solution
The fourth proportional to 3,405,079.16, 4,699,041.29 and 1,877,240.96 is: 2,590,610.19
Step by Step Solution
- Step 1: Write the proportion equation
3,405,079.16 : 4,699,041.29 = 1,877,240.96 : x - Step 2: Convert to fraction form
3,405,079.16/4,699,041.29 = 1,877,240.96/x - Step 3: Cross multiply
3,405,079.16x = 4,699,041.29 × 1,877,240.96 - Step 4: Simplify right side
3,405,079.16x = 8,821,232,782,319.24 - Step 5: Solve for x
x = 8,821,232,782,319.24/3,405,079.16 - Step 6: Final answer
x = 2,590,610.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.