Finding the Fourth Proportional to 1,544,480.75, 2,129,020.79 and 1,084,304.36
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Solution
The fourth proportional to 1,544,480.75, 2,129,020.79 and 1,084,304.36 is: 1,494,681.31
Step by Step Solution
- Step 1: Write the proportion equation
1,544,480.75 : 2,129,020.79 = 1,084,304.36 : x - Step 2: Convert to fraction form
1,544,480.75/2,129,020.79 = 1,084,304.36/x - Step 3: Cross multiply
1,544,480.75x = 2,129,020.79 × 1,084,304.36 - Step 4: Simplify right side
1,544,480.75x = 2,308,506,509,061.02 - Step 5: Solve for x
x = 2,308,506,509,061.02/1,544,480.75 - Step 6: Final answer
x = 1,494,681.31
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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.