Finding the Fourth Proportional to 2,156,750.58, 2,976,295.26 and 1,189,888.68
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Solution
The fourth proportional to 2,156,750.58, 2,976,295.26 and 1,189,888.68 is: 1,642,035.05
Step by Step Solution
- Step 1: Write the proportion equation
2,156,750.58 : 2,976,295.26 = 1,189,888.68 : x - Step 2: Convert to fraction form
2,156,750.58/2,976,295.26 = 1,189,888.68/x - Step 3: Cross multiply
2,156,750.58x = 2,976,295.26 × 1,189,888.68 - Step 4: Simplify right side
2,156,750.58x = 3,541,460,038,211.66 - Step 5: Solve for x
x = 3,541,460,038,211.66/2,156,750.58 - Step 6: Final answer
x = 1,642,035.05
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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.