Finding the Fourth Proportional to 2,831,343.04, 3,908,107.20 and 1,926,449.92
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Solution
The fourth proportional to 2,831,343.04, 3,908,107.20 and 1,926,449.92 is: 2,659,081.82
Step by Step Solution
- Step 1: Write the proportion equation
2,831,343.04 : 3,908,107.20 = 1,926,449.92 : x - Step 2: Convert to fraction form
2,831,343.04/3,908,107.20 = 1,926,449.92/x - Step 3: Cross multiply
2,831,343.04x = 3,908,107.20 × 1,926,449.92 - Step 4: Simplify right side
2,831,343.04x = 7,528,772,802,791.42 - Step 5: Solve for x
x = 7,528,772,802,791.42/2,831,343.04 - Step 6: Final answer
x = 2,659,081.82
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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.