Finding the Fourth Proportional to 4,887,967.64, 6,745,468.71 and 2,712,651.68
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Solution
The fourth proportional to 4,887,967.64, 6,745,468.71 and 2,712,651.68 is: 3,743,500.03
Step by Step Solution
- Step 1: Write the proportion equation
4,887,967.64 : 6,745,468.71 = 2,712,651.68 : x - Step 2: Convert to fraction form
4,887,967.64/6,745,468.71 = 2,712,651.68/x - Step 3: Cross multiply
4,887,967.64x = 6,745,468.71 × 2,712,651.68 - Step 4: Simplify right side
4,887,967.64x = 18,298,107,028,568.93 - Step 5: Solve for x
x = 18,298,107,028,568.93/4,887,967.64 - Step 6: Final answer
x = 3,743,500.03
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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.