Finding the Fourth Proportional to 3,437,381.88, 4,743,426.06 and 1,909,582.20
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Solution
The fourth proportional to 3,437,381.88, 4,743,426.06 and 1,909,582.20 is: 2,635,134.03
Step by Step Solution
- Step 1: Write the proportion equation
3,437,381.88 : 4,743,426.06 = 1,909,582.20 : x - Step 2: Convert to fraction form
3,437,381.88/4,743,426.06 = 1,909,582.20/x - Step 3: Cross multiply
3,437,381.88x = 4,743,426.06 × 1,909,582.20 - Step 4: Simplify right side
3,437,381.88x = 9,057,961,971,192.13 - Step 5: Solve for x
x = 9,057,961,971,192.13/3,437,381.88 - Step 6: Final answer
x = 2,635,134.03
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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.