Finding the Fourth Proportional to 1,703,643.62, 2,351,029.86 and 978,631.65
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Solution
The fourth proportional to 1,703,643.62, 2,351,029.86 and 978,631.65 is: 1,350,512.63
Step by Step Solution
- Step 1: Write the proportion equation
1,703,643.62 : 2,351,029.86 = 978,631.65 : x - Step 2: Convert to fraction form
1,703,643.62/2,351,029.86 = 978,631.65/x - Step 3: Cross multiply
1,703,643.62x = 2,351,029.86 × 978,631.65 - Step 4: Simplify right side
1,703,643.62x = 2,300,792,231,091.07 - Step 5: Solve for x
x = 2,300,792,231,091.07/1,703,643.62 - Step 6: Final answer
x = 1,350,512.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.