Finding the Fourth Proportional to 5,551,285.14, 7,660,786.05 and 3,103,984.98
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Solution
The fourth proportional to 5,551,285.14, 7,660,786.05 and 3,103,984.98 is: 4,283,506.29
Step by Step Solution
- Step 1: Write the proportion equation
5,551,285.14 : 7,660,786.05 = 3,103,984.98 : x - Step 2: Convert to fraction form
5,551,285.14/7,660,786.05 = 3,103,984.98/x - Step 3: Cross multiply
5,551,285.14x = 7,660,786.05 × 3,103,984.98 - Step 4: Simplify right side
5,551,285.14x = 23,778,964,834,193.53 - Step 5: Solve for x
x = 23,778,964,834,193.53/5,551,285.14 - Step 6: Final answer
x = 4,283,506.29
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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.