Finding the Fourth Proportional to 1,565,415.68, 2,161,309.91 and 1,202,187.78
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Solution
The fourth proportional to 1,565,415.68, 2,161,309.91 and 1,202,187.78 is: 1,659,814.96
Step by Step Solution
- Step 1: Write the proportion equation
1,565,415.68 : 2,161,309.91 = 1,202,187.78 : x - Step 2: Convert to fraction form
1,565,415.68/2,161,309.91 = 1,202,187.78/x - Step 3: Cross multiply
1,565,415.68x = 2,161,309.91 × 1,202,187.78 - Step 4: Simplify right side
1,565,415.68x = 2,598,300,356,583.96 - Step 5: Solve for x
x = 2,598,300,356,583.96/1,565,415.68 - Step 6: Final answer
x = 1,659,814.96
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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.