Finding the Fourth Proportional to 6,874,264.56, 9,486,643.38 and 3,776,981.09
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Solution
The fourth proportional to 6,874,264.56, 9,486,643.38 and 3,776,981.09 is: 5,212,320.87
Step by Step Solution
- Step 1: Write the proportion equation
6,874,264.56 : 9,486,643.38 = 3,776,981.09 : x - Step 2: Convert to fraction form
6,874,264.56/9,486,643.38 = 3,776,981.09/x - Step 3: Cross multiply
6,874,264.56x = 9,486,643.38 × 3,776,981.09 - Step 4: Simplify right side
6,874,264.56x = 35,830,872,653,833.69 - Step 5: Solve for x
x = 35,830,872,653,833.69/6,874,264.56 - Step 6: Final answer
x = 5,212,320.87
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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.