Finding the Fourth Proportional to 2,872,094.88, 3,963,646.81 and 1,648,390.62
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Solution
The fourth proportional to 2,872,094.88, 3,963,646.81 and 1,648,390.62 is: 2,274,868.52
Step by Step Solution
- Step 1: Write the proportion equation
2,872,094.88 : 3,963,646.81 = 1,648,390.62 : x - Step 2: Convert to fraction form
2,872,094.88/3,963,646.81 = 1,648,390.62/x - Step 3: Cross multiply
2,872,094.88x = 3,963,646.81 × 1,648,390.62 - Step 4: Simplify right side
2,872,094.88x = 6,533,638,222,596.92 - Step 5: Solve for x
x = 6,533,638,222,596.92/2,872,094.88 - Step 6: Final answer
x = 2,274,868.52
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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.