Finding the Fourth Proportional to 1,529,972.20, 2,111,349.99 and 841,629.25
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Solution
The fourth proportional to 1,529,972.20, 2,111,349.99 and 841,629.25 is: 1,161,441.96
Step by Step Solution
- Step 1: Write the proportion equation
1,529,972.20 : 2,111,349.99 = 841,629.25 : x - Step 2: Convert to fraction form
1,529,972.20/2,111,349.99 = 841,629.25/x - Step 3: Cross multiply
1,529,972.20x = 2,111,349.99 × 841,629.25 - Step 4: Simplify right side
1,529,972.20x = 1,776,973,908,571.21 - Step 5: Solve for x
x = 1,776,973,908,571.21/1,529,972.20 - Step 6: Final answer
x = 1,161,441.96
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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.