Finding the Fourth Proportional to 3,559,052.68, 4,911,981.36 and 2,182,152.88
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Solution
The fourth proportional to 3,559,052.68, 4,911,981.36 and 2,182,152.88 is: 3,011,670.59
Step by Step Solution
- Step 1: Write the proportion equation
3,559,052.68 : 4,911,981.36 = 2,182,152.88 : x - Step 2: Convert to fraction form
3,559,052.68/4,911,981.36 = 2,182,152.88/x - Step 3: Cross multiply
3,559,052.68x = 4,911,981.36 × 2,182,152.88 - Step 4: Simplify right side
3,559,052.68x = 10,718,694,271,230.32 - Step 5: Solve for x
x = 10,718,694,271,230.32/3,559,052.68 - Step 6: Final answer
x = 3,011,670.59
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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.