Finding the Fourth Proportional to 1,791,533.75, 2,472,316.58 and 986,717.75
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Solution
The fourth proportional to 1,791,533.75, 2,472,316.58 and 986,717.75 is: 1,361,670.50
Step by Step Solution
- Step 1: Write the proportion equation
1,791,533.75 : 2,472,316.58 = 986,717.75 : x - Step 2: Convert to fraction form
1,791,533.75/2,472,316.58 = 986,717.75/x - Step 3: Cross multiply
1,791,533.75x = 2,472,316.58 × 986,717.75 - Step 4: Simplify right side
1,791,533.75x = 2,439,478,653,105.30 - Step 5: Solve for x
x = 2,439,478,653,105.30/1,791,533.75 - Step 6: Final answer
x = 1,361,670.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.