Finding the Fourth Proportional to 5,605,053.96, 7,734,998.15 and 3,157,694.31
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Solution
The fourth proportional to 5,605,053.96, 7,734,998.15 and 3,157,694.31 is: 4,357,631.49
Step by Step Solution
- Step 1: Write the proportion equation
5,605,053.96 : 7,734,998.15 = 3,157,694.31 : x - Step 2: Convert to fraction form
5,605,053.96/7,734,998.15 = 3,157,694.31/x - Step 3: Cross multiply
5,605,053.96x = 7,734,998.15 × 3,157,694.31 - Step 4: Simplify right side
5,605,053.96x = 24,424,759,646,115.53 - Step 5: Solve for x
x = 24,424,759,646,115.53/5,605,053.96 - Step 6: Final answer
x = 4,357,631.49
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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.