Finding the Fourth Proportional to 1,493,218.10, 2,238,077.55 and 1,118,803.70
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Solution
The fourth proportional to 1,493,218.10, 2,238,077.55 and 1,118,803.70 is: 1,676,894.65
Step by Step Solution
- Step 1: Write the proportion equation
1,493,218.10 : 2,238,077.55 = 1,118,803.70 : x - Step 2: Convert to fraction form
1,493,218.10/2,238,077.55 = 1,118,803.70/x - Step 3: Cross multiply
1,493,218.10x = 2,238,077.55 × 1,118,803.70 - Step 4: Simplify right side
1,493,218.10x = 2,503,969,443,826.93 - Step 5: Solve for x
x = 2,503,969,443,826.93/1,493,218.10 - Step 6: Final answer
x = 1,676,894.65
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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.