Finding the Fourth Proportional to 4,169,137.20, 6,255,779.40 and 1,644,874.80
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Solution
The fourth proportional to 4,169,137.20, 6,255,779.40 and 1,644,874.80 is: 2,468,130.31
Step by Step Solution
- Step 1: Write the proportion equation
4,169,137.20 : 6,255,779.40 = 1,644,874.80 : x - Step 2: Convert to fraction form
4,169,137.20/6,255,779.40 = 1,644,874.80/x - Step 3: Cross multiply
4,169,137.20x = 6,255,779.40 × 1,644,874.80 - Step 4: Simplify right side
4,169,137.20x = 10,289,973,889,419.12 - Step 5: Solve for x
x = 10,289,973,889,419.12/4,169,137.20 - Step 6: Final answer
x = 2,468,130.31
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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.