Finding the Fourth Proportional to 6,454,779.23, 8,907,791.27 and 3,554,273.99
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Solution
The fourth proportional to 6,454,779.23, 8,907,791.27 and 3,554,273.99 is: 4,905,005.99
Step by Step Solution
- Step 1: Write the proportion equation
6,454,779.23 : 8,907,791.27 = 3,554,273.99 : x - Step 2: Convert to fraction form
6,454,779.23/8,907,791.27 = 3,554,273.99/x - Step 3: Cross multiply
6,454,779.23x = 8,907,791.27 × 3,554,273.99 - Step 4: Simplify right side
6,454,779.23x = 31,660,730,823,808.18 - Step 5: Solve for x
x = 31,660,730,823,808.18/6,454,779.23 - Step 6: Final answer
x = 4,905,005.99
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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.