Finding the Fourth Proportional to 4,631,181.94, 6,391,123.60 and 2,697,567.07
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Solution
The fourth proportional to 4,631,181.94, 6,391,123.60 and 2,697,567.07 is: 3,722,696.45
Step by Step Solution
- Step 1: Write the proportion equation
4,631,181.94 : 6,391,123.60 = 2,697,567.07 : x - Step 2: Convert to fraction form
4,631,181.94/6,391,123.60 = 2,697,567.07/x - Step 3: Cross multiply
4,631,181.94x = 6,391,123.60 × 2,697,567.07 - Step 4: Simplify right side
4,631,181.94x = 17,240,484,572,160.87 - Step 5: Solve for x
x = 17,240,484,572,160.87/4,631,181.94 - Step 6: Final answer
x = 3,722,696.45
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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.