Finding the Fourth Proportional to 5,307,462.36, 7,956,478.80 and 2,068,250.20
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Solution
The fourth proportional to 5,307,462.36, 7,956,478.80 and 2,068,250.20 is: 3,100,538.03
Step by Step Solution
- Step 1: Write the proportion equation
5,307,462.36 : 7,956,478.80 = 2,068,250.20 : x - Step 2: Convert to fraction form
5,307,462.36/7,956,478.80 = 2,068,250.20/x - Step 3: Cross multiply
5,307,462.36x = 7,956,478.80 × 2,068,250.20 - Step 4: Simplify right side
5,307,462.36x = 16,455,988,869,395.76 - Step 5: Solve for x
x = 16,455,988,869,395.76/5,307,462.36 - Step 6: Final answer
x = 3,100,538.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.