Finding the Fourth Proportional to 2,991,197.55, 4,485,855.21 and 968,972.28
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Solution
The fourth proportional to 2,991,197.55, 4,485,855.21 and 968,972.28 is: 1,453,153.55
Step by Step Solution
- Step 1: Write the proportion equation
2,991,197.55 : 4,485,855.21 = 968,972.28 : x - Step 2: Convert to fraction form
2,991,197.55/4,485,855.21 = 968,972.28/x - Step 3: Cross multiply
2,991,197.55x = 4,485,855.21 × 968,972.28 - Step 4: Simplify right side
2,991,197.55x = 4,346,669,348,194.91 - Step 5: Solve for x
x = 4,346,669,348,194.91/2,991,197.55 - Step 6: Final answer
x = 1,453,153.55
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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.