Finding the Fourth Proportional to 5,063,965.14, 6,988,271.36 and 2,740,857.26
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Solution
The fourth proportional to 5,063,965.14, 6,988,271.36 and 2,740,857.26 is: 3,782,382.72
Step by Step Solution
- Step 1: Write the proportion equation
5,063,965.14 : 6,988,271.36 = 2,740,857.26 : x - Step 2: Convert to fraction form
5,063,965.14/6,988,271.36 = 2,740,857.26/x - Step 3: Cross multiply
5,063,965.14x = 6,988,271.36 × 2,740,857.26 - Step 4: Simplify right side
5,063,965.14x = 19,153,854,243,260.43 - Step 5: Solve for x
x = 19,153,854,243,260.43/5,063,965.14 - Step 6: Final answer
x = 3,782,382.72
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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.