Finding the Fourth Proportional to 2,412,731.80, 3,331,128.81 and 1,495,934.92
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Solution
The fourth proportional to 2,412,731.80, 3,331,128.81 and 1,495,934.92 is: 2,065,356.75
Step by Step Solution
- Step 1: Write the proportion equation
2,412,731.80 : 3,331,128.81 = 1,495,934.92 : x - Step 2: Convert to fraction form
2,412,731.80/3,331,128.81 = 1,495,934.92/x - Step 3: Cross multiply
2,412,731.80x = 3,331,128.81 × 1,495,934.92 - Step 4: Simplify right side
2,412,731.80x = 4,983,151,909,897.05 - Step 5: Solve for x
x = 4,983,151,909,897.05/2,412,731.80 - Step 6: Final answer
x = 2,065,356.75
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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.