Finding the Fourth Proportional to 7,075,152.63, 9,763,651.17 and 3,977,689.68
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Solution
The fourth proportional to 7,075,152.63, 9,763,651.17 and 3,977,689.68 is: 5,489,178.33
Step by Step Solution
- Step 1: Write the proportion equation
7,075,152.63 : 9,763,651.17 = 3,977,689.68 : x - Step 2: Convert to fraction form
7,075,152.63/9,763,651.17 = 3,977,689.68/x - Step 3: Cross multiply
7,075,152.63x = 9,763,651.17 × 3,977,689.68 - Step 4: Simplify right side
7,075,152.63x = 38,836,774,498,028.93 - Step 5: Solve for x
x = 38,836,774,498,028.93/7,075,152.63 - Step 6: Final answer
x = 5,489,178.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.