Finding the Fourth Proportional to 7,559,591.18, 11,339,431.87 and 1,879,815.49
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Solution
The fourth proportional to 7,559,591.18, 11,339,431.87 and 1,879,815.49 is: 2,819,734.45
Step by Step Solution
- Step 1: Write the proportion equation
7,559,591.18 : 11,339,431.87 = 1,879,815.49 : x - Step 2: Convert to fraction form
7,559,591.18/11,339,431.87 = 1,879,815.49/x - Step 3: Cross multiply
7,559,591.18x = 11,339,431.87 × 1,879,815.49 - Step 4: Simplify right side
7,559,591.18x = 21,316,039,681,725.21 - Step 5: Solve for x
x = 21,316,039,681,725.21/7,559,591.18 - Step 6: Final answer
x = 2,819,734.45
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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.