Finding the Fourth Proportional to 6,667,422.80, 9,201,087.63 and 3,611,637.02
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Solution
The fourth proportional to 6,667,422.80, 9,201,087.63 and 3,611,637.02 is: 4,984,083.01
Step by Step Solution
- Step 1: Write the proportion equation
6,667,422.80 : 9,201,087.63 = 3,611,637.02 : x - Step 2: Convert to fraction form
6,667,422.80/9,201,087.63 = 3,611,637.02/x - Step 3: Cross multiply
6,667,422.80x = 9,201,087.63 × 3,611,637.02 - Step 4: Simplify right side
6,667,422.80x = 33,230,988,708,772.07 - Step 5: Solve for x
x = 33,230,988,708,772.07/6,667,422.80 - Step 6: Final answer
x = 4,984,083.01
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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.