Finding the Fourth Proportional to 1,549,932.96, 2,138,932.80 and 852,243.12
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Solution
The fourth proportional to 1,549,932.96, 2,138,932.80 and 852,243.12 is: 1,176,109.43
Step by Step Solution
- Step 1: Write the proportion equation
1,549,932.96 : 2,138,932.80 = 852,243.12 : x - Step 2: Convert to fraction form
1,549,932.96/2,138,932.80 = 852,243.12/x - Step 3: Cross multiply
1,549,932.96x = 2,138,932.80 × 852,243.12 - Step 4: Simplify right side
1,549,932.96x = 1,822,890,762,942.34 - Step 5: Solve for x
x = 1,822,890,762,942.34/1,549,932.96 - Step 6: Final answer
x = 1,176,109.43
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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.