Finding the Fourth Proportional to 1,563,717.24, 2,157,915.18 and 884,653.74
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Solution
The fourth proportional to 1,563,717.24, 2,157,915.18 and 884,653.74 is: 1,220,813.90
Step by Step Solution
- Step 1: Write the proportion equation
1,563,717.24 : 2,157,915.18 = 884,653.74 : x - Step 2: Convert to fraction form
1,563,717.24/2,157,915.18 = 884,653.74/x - Step 3: Cross multiply
1,563,717.24x = 2,157,915.18 × 884,653.74 - Step 4: Simplify right side
1,563,717.24x = 1,909,007,734,589.77 - Step 5: Solve for x
x = 1,909,007,734,589.77/1,563,717.24 - Step 6: Final answer
x = 1,220,813.90
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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.