Finding the Fourth Proportional to 4,984,088.99, 7,477,394.42 and 1,389,856.32
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Solution
The fourth proportional to 4,984,088.99, 7,477,394.42 and 1,389,856.32 is: 2,085,136.11
Step by Step Solution
- Step 1: Write the proportion equation
4,984,088.99 : 7,477,394.42 = 1,389,856.32 : x - Step 2: Convert to fraction form
4,984,088.99/7,477,394.42 = 1,389,856.32/x - Step 3: Cross multiply
4,984,088.99x = 7,477,394.42 × 1,389,856.32 - Step 4: Simplify right side
4,984,088.99x = 10,392,503,895,244.38 - Step 5: Solve for x
x = 10,392,503,895,244.38/4,984,088.99 - Step 6: Final answer
x = 2,085,136.11
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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.