Finding the Fourth Proportional to 2,970,133.48, 4,098,786.42 and 1,612,006.12
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Solution
The fourth proportional to 2,970,133.48, 4,098,786.42 and 1,612,006.12 is: 2,224,569.65
Step by Step Solution
- Step 1: Write the proportion equation
2,970,133.48 : 4,098,786.42 = 1,612,006.12 : x - Step 2: Convert to fraction form
2,970,133.48/4,098,786.42 = 1,612,006.12/x - Step 3: Cross multiply
2,970,133.48x = 4,098,786.42 × 1,612,006.12 - Step 4: Simplify right side
2,970,133.48x = 6,607,268,793,612.89 - Step 5: Solve for x
x = 6,607,268,793,612.89/2,970,133.48 - Step 6: Final answer
x = 2,224,569.65
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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.