Finding the Fourth Proportional to 5,049,718.38, 6,968,655.93 and 2,874,401.63
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Solution
The fourth proportional to 5,049,718.38, 6,968,655.93 and 2,874,401.63 is: 3,966,699.61
Step by Step Solution
- Step 1: Write the proportion equation
5,049,718.38 : 6,968,655.93 = 2,874,401.63 : x - Step 2: Convert to fraction form
5,049,718.38/6,968,655.93 = 2,874,401.63/x - Step 3: Cross multiply
5,049,718.38x = 6,968,655.93 × 2,874,401.63 - Step 4: Simplify right side
5,049,718.38x = 20,030,715,929,257.89 - Step 5: Solve for x
x = 20,030,715,929,257.89/5,049,718.38 - Step 6: Final answer
x = 3,966,699.61
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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.