Finding the Fourth Proportional to 2,985,788.63, 4,478,682.96 and 991,244.63
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Solution
The fourth proportional to 2,985,788.63, 4,478,682.96 and 991,244.63 is: 1,486,866.94
Step by Step Solution
- Step 1: Write the proportion equation
2,985,788.63 : 4,478,682.96 = 991,244.63 : x - Step 2: Convert to fraction form
2,985,788.63/4,478,682.96 = 991,244.63/x - Step 3: Cross multiply
2,985,788.63x = 4,478,682.96 × 991,244.63 - Step 4: Simplify right side
2,985,788.63x = 4,439,470,411,179.09 - Step 5: Solve for x
x = 4,439,470,411,179.09/2,985,788.63 - Step 6: Final answer
x = 1,486,866.94
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1.5x scale
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.