Finding the Fourth Proportional to 5,743,727.47, 7,926,345.17 and 3,130,232.19
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Solution
The fourth proportional to 5,743,727.47, 7,926,345.17 and 3,130,232.19 is: 4,319,721.11
Step by Step Solution
- Step 1: Write the proportion equation
5,743,727.47 : 7,926,345.17 = 3,130,232.19 : x - Step 2: Convert to fraction form
5,743,727.47/7,926,345.17 = 3,130,232.19/x - Step 3: Cross multiply
5,743,727.47x = 7,926,345.17 × 3,130,232.19 - Step 4: Simplify right side
5,743,727.47x = 24,811,300,800,185.02 - Step 5: Solve for x
x = 24,811,300,800,185.02/5,743,727.47 - Step 6: Final answer
x = 4,319,721.11
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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.