Finding the Fourth Proportional to 1,523,670.63, 2,102,689.18 and 835,405.32
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Solution
The fourth proportional to 1,523,670.63, 2,102,689.18 and 835,405.32 is: 1,152,872.34
Step by Step Solution
- Step 1: Write the proportion equation
1,523,670.63 : 2,102,689.18 = 835,405.32 : x - Step 2: Convert to fraction form
1,523,670.63/2,102,689.18 = 835,405.32/x - Step 3: Cross multiply
1,523,670.63x = 2,102,689.18 × 835,405.32 - Step 4: Simplify right side
1,523,670.63x = 1,756,597,727,278.44 - Step 5: Solve for x
x = 1,756,597,727,278.44/1,523,670.63 - Step 6: Final answer
x = 1,152,872.34
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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.