Finding the Fourth Proportional to 2,876,465.52, 4,313,576.70 and 1,078,368.93
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Solution
The fourth proportional to 2,876,465.52, 4,313,576.70 and 1,078,368.93 is: 1,617,132.92
Step by Step Solution
- Step 1: Write the proportion equation
2,876,465.52 : 4,313,576.70 = 1,078,368.93 : x - Step 2: Convert to fraction form
2,876,465.52/4,313,576.70 = 1,078,368.93/x - Step 3: Cross multiply
2,876,465.52x = 4,313,576.70 × 1,078,368.93 - Step 4: Simplify right side
2,876,465.52x = 4,651,627,090,451.93 - Step 5: Solve for x
x = 4,651,627,090,451.93/2,876,465.52 - Step 6: Final answer
x = 1,617,132.92
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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.