Finding the Fourth Proportional to 5,390,783.44, 7,439,224.66 and 2,943,386.92
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Solution
The fourth proportional to 5,390,783.44, 7,439,224.66 and 2,943,386.92 is: 4,061,843.11
Step by Step Solution
- Step 1: Write the proportion equation
5,390,783.44 : 7,439,224.66 = 2,943,386.92 : x - Step 2: Convert to fraction form
5,390,783.44/7,439,224.66 = 2,943,386.92/x - Step 3: Cross multiply
5,390,783.44x = 7,439,224.66 × 2,943,386.92 - Step 4: Simplify right side
5,390,783.44x = 21,896,516,559,185.45 - Step 5: Solve for x
x = 21,896,516,559,185.45/5,390,783.44 - Step 6: Final answer
x = 4,061,843.11
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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.