Finding the Fourth Proportional to 4,189,320.95, 6,283,970.08 and 1,115,311.82
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Solution
The fourth proportional to 4,189,320.95, 6,283,970.08 and 1,115,311.82 is: 1,672,964.70
Step by Step Solution
- Step 1: Write the proportion equation
4,189,320.95 : 6,283,970.08 = 1,115,311.82 : x - Step 2: Convert to fraction form
4,189,320.95/6,283,970.08 = 1,115,311.82/x - Step 3: Cross multiply
4,189,320.95x = 6,283,970.08 × 1,115,311.82 - Step 4: Simplify right side
4,189,320.95x = 7,008,586,072,542.22 - Step 5: Solve for x
x = 7,008,586,072,542.22/4,189,320.95 - Step 6: Final answer
x = 1,672,964.70
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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.