Finding the Fourth Proportional to 4,719,659.08, 7,079,468.42 and 1,307,935.88
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Solution
The fourth proportional to 4,719,659.08, 7,079,468.42 and 1,307,935.88 is: 1,961,898.22
Step by Step Solution
- Step 1: Write the proportion equation
4,719,659.08 : 7,079,468.42 = 1,307,935.88 : x - Step 2: Convert to fraction form
4,719,659.08/7,079,468.42 = 1,307,935.88/x - Step 3: Cross multiply
4,719,659.08x = 7,079,468.42 × 1,307,935.88 - Step 4: Simplify right side
4,719,659.08x = 9,259,490,757,844.91 - Step 5: Solve for x
x = 9,259,490,757,844.91/4,719,659.08 - Step 6: Final answer
x = 1,961,898.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.