Finding the Fourth Proportional to 5,458,920.13, 8,184,065.70 and 2,725,064.45
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Solution
The fourth proportional to 5,458,920.13, 8,184,065.70 and 2,725,064.45 is: 4,085,442.90
Step by Step Solution
- Step 1: Write the proportion equation
5,458,920.13 : 8,184,065.70 = 2,725,064.45 : x - Step 2: Convert to fraction form
5,458,920.13/8,184,065.70 = 2,725,064.45/x - Step 3: Cross multiply
5,458,920.13x = 8,184,065.70 × 2,725,064.45 - Step 4: Simplify right side
5,458,920.13x = 22,302,106,481,909.05 - Step 5: Solve for x
x = 22,302,106,481,909.05/5,458,920.13 - Step 6: Final answer
x = 4,085,442.90
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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.