Finding the Fourth Proportional to 4,900,387.24, 6,761,538.48 and 2,862,803.08
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Solution
The fourth proportional to 4,900,387.24, 6,761,538.48 and 2,862,803.08 is: 3,950,086.44
Step by Step Solution
- Step 1: Write the proportion equation
4,900,387.24 : 6,761,538.48 = 2,862,803.08 : x - Step 2: Convert to fraction form
4,900,387.24/6,761,538.48 = 2,862,803.08/x - Step 3: Cross multiply
4,900,387.24x = 6,761,538.48 × 2,862,803.08 - Step 4: Simplify right side
4,900,387.24x = 19,356,953,186,082.52 - Step 5: Solve for x
x = 19,356,953,186,082.52/4,900,387.24 - Step 6: Final answer
x = 3,950,086.44
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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.