Finding the Fourth Proportional to 4,977,278.68, 7,465,913.64 and 1,383,043.84
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Solution
The fourth proportional to 4,977,278.68, 7,465,913.64 and 1,383,043.84 is: 2,074,564.54
Step by Step Solution
- Step 1: Write the proportion equation
4,977,278.68 : 7,465,913.64 = 1,383,043.84 : x - Step 2: Convert to fraction form
4,977,278.68/7,465,913.64 = 1,383,043.84/x - Step 3: Cross multiply
4,977,278.68x = 7,465,913.64 × 1,383,043.84 - Step 4: Simplify right side
4,977,278.68x = 10,325,685,869,773.98 - Step 5: Solve for x
x = 10,325,685,869,773.98/4,977,278.68 - Step 6: Final answer
x = 2,074,564.54
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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.