Finding the Fourth Proportional to 2,916,467.40, 4,374,701.10 and 1,852,273.20
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Solution
The fourth proportional to 2,916,467.40, 4,374,701.10 and 1,852,273.20 is: 2,778,409.80
Step by Step Solution
- Step 1: Write the proportion equation
2,916,467.40 : 4,374,701.10 = 1,852,273.20 : x - Step 2: Convert to fraction form
2,916,467.40/4,374,701.10 = 1,852,273.20/x - Step 3: Cross multiply
2,916,467.40x = 4,374,701.10 × 1,852,273.20 - Step 4: Simplify right side
2,916,467.40x = 8,103,141,605,540.52 - Step 5: Solve for x
x = 8,103,141,605,540.52/2,916,467.40 - Step 6: Final answer
x = 2,778,409.80
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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.