Finding the Fourth Proportional to 4,242,243.23, 5,854,427.42 and 2,406,778.83
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Solution
The fourth proportional to 4,242,243.23, 5,854,427.42 and 2,406,778.83 is: 3,321,429.54
Step by Step Solution
- Step 1: Write the proportion equation
4,242,243.23 : 5,854,427.42 = 2,406,778.83 : x - Step 2: Convert to fraction form
4,242,243.23/5,854,427.42 = 2,406,778.83/x - Step 3: Cross multiply
4,242,243.23x = 5,854,427.42 × 2,406,778.83 - Step 4: Simplify right side
4,242,243.23x = 14,090,311,964,193.62 - Step 5: Solve for x
x = 14,090,311,964,193.62/4,242,243.23 - Step 6: Final answer
x = 3,321,429.54
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1.5x scale
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.