Finding the Fourth Proportional to 1,475,888.20, 2,036,742.24 and 863,907.28
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Solution
The fourth proportional to 1,475,888.20, 2,036,742.24 and 863,907.28 is: 1,192,201.72
Step by Step Solution
- Step 1: Write the proportion equation
1,475,888.20 : 2,036,742.24 = 863,907.28 : x - Step 2: Convert to fraction form
1,475,888.20/2,036,742.24 = 863,907.28/x - Step 3: Cross multiply
1,475,888.20x = 2,036,742.24 × 863,907.28 - Step 4: Simplify right side
1,475,888.20x = 1,759,556,448,619.51 - Step 5: Solve for x
x = 1,759,556,448,619.51/1,475,888.20 - Step 6: Final answer
x = 1,192,201.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.