Finding the Fourth Proportional to 3,554,371.06, 4,905,033.51 and 1,922,778.07
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Solution
The fourth proportional to 3,554,371.06, 4,905,033.51 and 1,922,778.07 is: 2,653,434.52
Step by Step Solution
- Step 1: Write the proportion equation
3,554,371.06 : 4,905,033.51 = 1,922,778.07 : x - Step 2: Convert to fraction form
3,554,371.06/4,905,033.51 = 1,922,778.07/x - Step 3: Cross multiply
3,554,371.06x = 4,905,033.51 × 1,922,778.07 - Step 4: Simplify right side
3,554,371.06x = 9,431,290,865,643.13 - Step 5: Solve for x
x = 9,431,290,865,643.13/3,554,371.06 - Step 6: Final answer
x = 2,653,434.52
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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.