Finding the Fourth Proportional to 1,668,803.10, 2,503,204.65 and 1,603,484.70
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Solution
The fourth proportional to 1,668,803.10, 2,503,204.65 and 1,603,484.70 is: 2,405,227.05
Step by Step Solution
- Step 1: Write the proportion equation
1,668,803.10 : 2,503,204.65 = 1,603,484.70 : x - Step 2: Convert to fraction form
1,668,803.10/2,503,204.65 = 1,603,484.70/x - Step 3: Cross multiply
1,668,803.10x = 2,503,204.65 × 1,603,484.70 - Step 4: Simplify right side
1,668,803.10x = 4,013,850,357,243.85 - Step 5: Solve for x
x = 4,013,850,357,243.85/1,668,803.10 - Step 6: Final answer
x = 2,405,227.05
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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.