Finding the Fourth Proportional to 5,049,690.84, 6,968,617.91 and 2,874,374.05
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Solution
The fourth proportional to 5,049,690.84, 6,968,617.91 and 2,874,374.05 is: 3,966,661.55
Step by Step Solution
- Step 1: Write the proportion equation
5,049,690.84 : 6,968,617.91 = 2,874,374.05 : x - Step 2: Convert to fraction form
5,049,690.84/6,968,617.91 = 2,874,374.05/x - Step 3: Cross multiply
5,049,690.84x = 6,968,617.91 × 2,874,374.05 - Step 4: Simplify right side
5,049,690.84x = 20,030,414,484,869.23 - Step 5: Solve for x
x = 20,030,414,484,869.23/5,049,690.84 - Step 6: Final answer
x = 3,966,661.55
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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.