Finding the Fourth Proportional to 5,205,865.08, 7,808,567.44 and 1,419,348.12
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Solution
The fourth proportional to 5,205,865.08, 7,808,567.44 and 1,419,348.12 is: 2,128,959.42
Step by Step Solution
- Step 1: Write the proportion equation
5,205,865.08 : 7,808,567.44 = 1,419,348.12 : x - Step 2: Convert to fraction form
5,205,865.08/7,808,567.44 = 1,419,348.12/x - Step 3: Cross multiply
5,205,865.08x = 7,808,567.44 × 1,419,348.12 - Step 4: Simplify right side
5,205,865.08x = 11,083,075,515,857.21 - Step 5: Solve for x
x = 11,083,075,515,857.21/5,205,865.08 - Step 6: Final answer
x = 2,128,959.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.