Finding the Fourth Proportional to 6,651,574.80, 9,977,362.20 and 5,057,251.80
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Solution
The fourth proportional to 6,651,574.80, 9,977,362.20 and 5,057,251.80 is: 7,585,877.70
Step by Step Solution
- Step 1: Write the proportion equation
6,651,574.80 : 9,977,362.20 = 5,057,251.80 : x - Step 2: Convert to fraction form
6,651,574.80/9,977,362.20 = 5,057,251.80/x - Step 3: Cross multiply
6,651,574.80x = 9,977,362.20 × 5,057,251.80 - Step 4: Simplify right side
6,651,574.80x = 50,458,032,945,201.95 - Step 5: Solve for x
x = 50,458,032,945,201.95/6,651,574.80 - Step 6: Final answer
x = 7,585,877.70
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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.