Finding the Fourth Proportional to 3,768,493.92, 5,627,214.80 and 2,991,271.80
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Solution
The fourth proportional to 3,768,493.92, 5,627,214.80 and 2,991,271.80 is: 4,466,646.17
Step by Step Solution
- Step 1: Write the proportion equation
3,768,493.92 : 5,627,214.80 = 2,991,271.80 : x - Step 2: Convert to fraction form
3,768,493.92/5,627,214.80 = 2,991,271.80/x - Step 3: Cross multiply
3,768,493.92x = 5,627,214.80 × 2,991,271.80 - Step 4: Simplify right side
3,768,493.92x = 16,832,528,943,782.64 - Step 5: Solve for x
x = 16,832,528,943,782.64/3,768,493.92 - Step 6: Final answer
x = 4,466,646.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.