Finding the Fourth Proportional to 5,241,718.28, 7,232,374.50 and 2,949,042.44
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Solution
The fourth proportional to 5,241,718.28, 7,232,374.50 and 2,949,042.44 is: 4,069,005.28
Step by Step Solution
- Step 1: Write the proportion equation
5,241,718.28 : 7,232,374.50 = 2,949,042.44 : x - Step 2: Convert to fraction form
5,241,718.28/7,232,374.50 = 2,949,042.44/x - Step 3: Cross multiply
5,241,718.28x = 7,232,374.50 × 2,949,042.44 - Step 4: Simplify right side
5,241,718.28x = 21,328,579,342,473.78 - Step 5: Solve for x
x = 21,328,579,342,473.78/5,241,718.28 - Step 6: Final answer
x = 4,069,005.28
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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.