Finding the Fourth Proportional to 5,745,138.84, 8,619,675.75 and 1,961,278.92
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Solution
The fourth proportional to 5,745,138.84, 8,619,675.75 and 1,961,278.92 is: 2,942,590.04
Step by Step Solution
- Step 1: Write the proportion equation
5,745,138.84 : 8,619,675.75 = 1,961,278.92 : x - Step 2: Convert to fraction form
5,745,138.84/8,619,675.75 = 1,961,278.92/x - Step 3: Cross multiply
5,745,138.84x = 8,619,675.75 × 1,961,278.92 - Step 4: Simplify right side
5,745,138.84x = 16,905,588,345,710.19 - Step 5: Solve for x
x = 16,905,588,345,710.19/5,745,138.84 - Step 6: Final answer
x = 2,942,590.04
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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.