Finding the Fourth Proportional to 5,771,359.61, 7,964,184.84 and 3,157,807.13
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Solution
The fourth proportional to 5,771,359.61, 7,964,184.84 and 3,157,807.13 is: 4,357,614.39
Step by Step Solution
- Step 1: Write the proportion equation
5,771,359.61 : 7,964,184.84 = 3,157,807.13 : x - Step 2: Convert to fraction form
5,771,359.61/7,964,184.84 = 3,157,807.13/x - Step 3: Cross multiply
5,771,359.61x = 7,964,184.84 × 3,157,807.13 - Step 4: Simplify right side
5,771,359.61x = 25,149,359,672,389.91 - Step 5: Solve for x
x = 25,149,359,672,389.91/5,771,359.61 - Step 6: Final answer
x = 4,357,614.39
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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.