Finding the Fourth Proportional to 1,509,442.39, 2,263,702.72 and 430,043.08
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Solution
The fourth proportional to 1,509,442.39, 2,263,702.72 and 430,043.08 is: 644,933.32
Step by Step Solution
- Step 1: Write the proportion equation
1,509,442.39 : 2,263,702.72 = 430,043.08 : x - Step 2: Convert to fraction form
1,509,442.39/2,263,702.72 = 430,043.08/x - Step 3: Cross multiply
1,509,442.39x = 2,263,702.72 × 430,043.08 - Step 4: Simplify right side
1,509,442.39x = 973,489,689,913.18 - Step 5: Solve for x
x = 973,489,689,913.18/1,509,442.39 - Step 6: Final answer
x = 644,933.32
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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.