Finding the Fourth Proportional to 4,921,648.58, 7,382,827.58 and 1,889,014.44
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Solution
The fourth proportional to 4,921,648.58, 7,382,827.58 and 1,889,014.44 is: 2,833,657.80
Step by Step Solution
- Step 1: Write the proportion equation
4,921,648.58 : 7,382,827.58 = 1,889,014.44 : x - Step 2: Convert to fraction form
4,921,648.58/7,382,827.58 = 1,889,014.44/x - Step 3: Cross multiply
4,921,648.58x = 7,382,827.58 × 1,889,014.44 - Step 4: Simplify right side
4,921,648.58x = 13,946,267,889,781.76 - Step 5: Solve for x
x = 13,946,267,889,781.76/4,921,648.58 - Step 6: Final answer
x = 2,833,657.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.