Finding the Fourth Proportional to 5,743,943.87, 7,926,506 and 3,130,530.47
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Solution
The fourth proportional to 5,743,943.87, 7,926,506 and 3,130,530.47 is: 4,320,057.63
Step by Step Solution
- Step 1: Write the proportion equation
5,743,943.87 : 7,926,506 = 3,130,530.47 : x - Step 2: Convert to fraction form
5,743,943.87/7,926,506 = 3,130,530.47/x - Step 3: Cross multiply
5,743,943.87x = 7,926,506 × 3,130,530.47 - Step 4: Simplify right side
5,743,943.87x = 24,814,168,514,005.29 - Step 5: Solve for x
x = 24,814,168,514,005.29/5,743,943.87 - Step 6: Final answer
x = 4,320,057.63
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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.