Finding the Fourth Proportional to 5,717,015.44, 7,889,495.04 and 3,138,862.36
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Solution
The fourth proportional to 5,717,015.44, 7,889,495.04 and 3,138,862.36 is: 4,331,637.60
Step by Step Solution
- Step 1: Write the proportion equation
5,717,015.44 : 7,889,495.04 = 3,138,862.36 : x - Step 2: Convert to fraction form
5,717,015.44/7,889,495.04 = 3,138,862.36/x - Step 3: Cross multiply
5,717,015.44x = 7,889,495.04 × 3,138,862.36 - Step 4: Simplify right side
5,717,015.44x = 24,764,039,020,462.70 - Step 5: Solve for x
x = 24,764,039,020,462.70/5,717,015.44 - Step 6: Final answer
x = 4,331,637.60
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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.