Finding the Fourth Proportional to 2,912,349.09, 4,370,491.94 and 1,019,106.93
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Solution
The fourth proportional to 2,912,349.09, 4,370,491.94 and 1,019,106.93 is: 1,529,349.16
Step by Step Solution
- Step 1: Write the proportion equation
2,912,349.09 : 4,370,491.94 = 1,019,106.93 : x - Step 2: Convert to fraction form
2,912,349.09/4,370,491.94 = 1,019,106.93/x - Step 3: Cross multiply
2,912,349.09x = 4,370,491.94 × 1,019,106.93 - Step 4: Simplify right side
2,912,349.09x = 4,453,998,623,563.14 - Step 5: Solve for x
x = 4,453,998,623,563.14/2,912,349.09 - Step 6: Final answer
x = 1,529,349.16
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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.