Finding the Fourth Proportional to 5,301,779.23, 7,316,552.24 and 2,947,198.05
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Solution
The fourth proportional to 5,301,779.23, 7,316,552.24 and 2,947,198.05 is: 4,067,187.18
Step by Step Solution
- Step 1: Write the proportion equation
5,301,779.23 : 7,316,552.24 = 2,947,198.05 : x - Step 2: Convert to fraction form
5,301,779.23/7,316,552.24 = 2,947,198.05/x - Step 3: Cross multiply
5,301,779.23x = 7,316,552.24 × 2,947,198.05 - Step 4: Simplify right side
5,301,779.23x = 21,563,328,494,451.13 - Step 5: Solve for x
x = 21,563,328,494,451.13/5,301,779.23 - Step 6: Final answer
x = 4,067,187.18
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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.