Finding the Fourth Proportional to 4,888,465.12, 6,743,013.28 and 2,900,193.04
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Solution
The fourth proportional to 4,888,465.12, 6,743,013.28 and 2,900,193.04 is: 4,000,445.89
Step by Step Solution
- Step 1: Write the proportion equation
4,888,465.12 : 6,743,013.28 = 2,900,193.04 : x - Step 2: Convert to fraction form
4,888,465.12/6,743,013.28 = 2,900,193.04/x - Step 3: Cross multiply
4,888,465.12x = 6,743,013.28 × 2,900,193.04 - Step 4: Simplify right side
4,888,465.12x = 19,556,040,183,283.57 - Step 5: Solve for x
x = 19,556,040,183,283.57/4,888,465.12 - Step 6: Final answer
x = 4,000,445.89
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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.