Finding the Fourth Proportional to 4,129,068.36, 6,193,600.26 and 1,289,423.88
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Solution
The fourth proportional to 4,129,068.36, 6,193,600.26 and 1,289,423.88 is: 1,934,135.11
Step by Step Solution
- Step 1: Write the proportion equation
4,129,068.36 : 6,193,600.26 = 1,289,423.88 : x - Step 2: Convert to fraction form
4,129,068.36/6,193,600.26 = 1,289,423.88/x - Step 3: Cross multiply
4,129,068.36x = 6,193,600.26 × 1,289,423.88 - Step 4: Simplify right side
4,129,068.36x = 7,986,176,078,418.21 - Step 5: Solve for x
x = 7,986,176,078,418.21/4,129,068.36 - Step 6: Final answer
x = 1,934,135.11
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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.