Finding the Fourth Proportional to 5,432,710.74, 7,497,200.49 and 2,985,322.42
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Solution
The fourth proportional to 5,432,710.74, 7,497,200.49 and 2,985,322.42 is: 4,119,777.73
Step by Step Solution
- Step 1: Write the proportion equation
5,432,710.74 : 7,497,200.49 = 2,985,322.42 : x - Step 2: Convert to fraction form
5,432,710.74/7,497,200.49 = 2,985,322.42/x - Step 3: Cross multiply
5,432,710.74x = 7,497,200.49 × 2,985,322.42 - Step 4: Simplify right side
5,432,710.74x = 22,381,560,718,655.77 - Step 5: Solve for x
x = 22,381,560,718,655.77/5,432,710.74 - Step 6: Final answer
x = 4,119,777.73
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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.