Finding the Fourth Proportional to 2,947,840.92, 4,067,973.36 and 1,658,680.56
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Solution
The fourth proportional to 2,947,840.92, 4,067,973.36 and 1,658,680.56 is: 2,288,952.67
Step by Step Solution
- Step 1: Write the proportion equation
2,947,840.92 : 4,067,973.36 = 1,658,680.56 : x - Step 2: Convert to fraction form
2,947,840.92/4,067,973.36 = 1,658,680.56/x - Step 3: Cross multiply
2,947,840.92x = 4,067,973.36 × 1,658,680.56 - Step 4: Simplify right side
2,947,840.92x = 6,747,468,330,829.88 - Step 5: Solve for x
x = 6,747,468,330,829.88/2,947,840.92 - Step 6: Final answer
x = 2,288,952.67
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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.