Finding the Fourth Proportional to 3,776,812.64, 5,666,893.57 and 1,979,268.74
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Solution
The fourth proportional to 3,776,812.64, 5,666,893.57 and 1,979,268.74 is: 2,969,780.70
Step by Step Solution
- Step 1: Write the proportion equation
3,776,812.64 : 5,666,893.57 = 1,979,268.74 : x - Step 2: Convert to fraction form
3,776,812.64/5,666,893.57 = 1,979,268.74/x - Step 3: Cross multiply
3,776,812.64x = 5,666,893.57 × 1,979,268.74 - Step 4: Simplify right side
3,776,812.64x = 11,216,305,296,008.00 - Step 5: Solve for x
x = 11,216,305,296,008.00/3,776,812.64 - Step 6: Final answer
x = 2,969,780.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.