Finding the Fourth Proportional to 7,246,148.79, 10,868,974.05 and 1,854,845.91
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Solution
The fourth proportional to 7,246,148.79, 10,868,974.05 and 1,854,845.91 is: 2,782,205.09
Step by Step Solution
- Step 1: Write the proportion equation
7,246,148.79 : 10,868,974.05 = 1,854,845.91 : x - Step 2: Convert to fraction form
7,246,148.79/10,868,974.05 = 1,854,845.91/x - Step 3: Cross multiply
7,246,148.79x = 10,868,974.05 × 1,854,845.91 - Step 4: Simplify right side
7,246,148.79x = 20,160,272,062,538.64 - Step 5: Solve for x
x = 20,160,272,062,538.64/7,246,148.79 - Step 6: Final answer
x = 2,782,205.09
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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.