Finding the Fourth Proportional to 2,259,858.19, 3,118,626.80 and 1,227,386.13
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Solution
The fourth proportional to 2,259,858.19, 3,118,626.80 and 1,227,386.13 is: 1,693,805.09
Step by Step Solution
- Step 1: Write the proportion equation
2,259,858.19 : 3,118,626.80 = 1,227,386.13 : x - Step 2: Convert to fraction form
2,259,858.19/3,118,626.80 = 1,227,386.13/x - Step 3: Cross multiply
2,259,858.19x = 3,118,626.80 × 1,227,386.13 - Step 4: Simplify right side
2,259,858.19x = 3,827,759,290,102.34 - Step 5: Solve for x
x = 3,827,759,290,102.34/2,259,858.19 - Step 6: Final answer
x = 1,693,805.09
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1.5x scale
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.