Finding the Fourth Proportional to 5,116,374.36, 7,060,551.03 and 2,824,485.84
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Solution
The fourth proportional to 5,116,374.36, 7,060,551.03 and 2,824,485.84 is: 3,897,765.29
Step by Step Solution
- Step 1: Write the proportion equation
5,116,374.36 : 7,060,551.03 = 2,824,485.84 : x - Step 2: Convert to fraction form
5,116,374.36/7,060,551.03 = 2,824,485.84/x - Step 3: Cross multiply
5,116,374.36x = 7,060,551.03 × 2,824,485.84 - Step 4: Simplify right side
5,116,374.36x = 19,942,426,406,832.41 - Step 5: Solve for x
x = 19,942,426,406,832.41/5,116,374.36 - Step 6: Final answer
x = 3,897,765.29
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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.