Finding the Fourth Proportional to 1,553,388.37, 2,142,571.60 and 1,036,881.84
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Solution
The fourth proportional to 1,553,388.37, 2,142,571.60 and 1,036,881.84 is: 1,430,159.80
Step by Step Solution
- Step 1: Write the proportion equation
1,553,388.37 : 2,142,571.60 = 1,036,881.84 : x - Step 2: Convert to fraction form
1,553,388.37/2,142,571.60 = 1,036,881.84/x - Step 3: Cross multiply
1,553,388.37x = 2,142,571.60 × 1,036,881.84 - Step 4: Simplify right side
1,553,388.37x = 2,221,593,592,270.49 - Step 5: Solve for x
x = 2,221,593,592,270.49/1,553,388.37 - Step 6: Final answer
x = 1,430,159.80
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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.