Finding the Fourth Proportional to 1,370,190.53, 2,055,482.73 and 423,635.06
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Solution
The fourth proportional to 1,370,190.53, 2,055,482.73 and 423,635.06 is: 635,513.48
Step by Step Solution
- Step 1: Write the proportion equation
1,370,190.53 : 2,055,482.73 = 423,635.06 : x - Step 2: Convert to fraction form
1,370,190.53/2,055,482.73 = 423,635.06/x - Step 3: Cross multiply
1,370,190.53x = 2,055,482.73 × 423,635.06 - Step 4: Simplify right side
1,370,190.53x = 870,774,554,791.22 - Step 5: Solve for x
x = 870,774,554,791.22/1,370,190.53 - Step 6: Final answer
x = 635,513.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.