Finding the Fourth Proportional to 2,585,959.52, 3,878,942.28 and 788,747.84
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Solution
The fourth proportional to 2,585,959.52, 3,878,942.28 and 788,747.84 is: 1,183,122.68
Step by Step Solution
- Step 1: Write the proportion equation
2,585,959.52 : 3,878,942.28 = 788,747.84 : x - Step 2: Convert to fraction form
2,585,959.52/3,878,942.28 = 788,747.84/x - Step 3: Cross multiply
2,585,959.52x = 3,878,942.28 × 788,747.84 - Step 4: Simplify right side
2,585,959.52x = 3,059,507,344,834.68 - Step 5: Solve for x
x = 3,059,507,344,834.68/2,585,959.52 - Step 6: Final answer
x = 1,183,122.68
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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.