Finding the Fourth Proportional to 5,329,493.20, 7,357,102.44 and 3,398,349.52
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Solution
The fourth proportional to 5,329,493.20, 7,357,102.44 and 3,398,349.52 is: 4,691,253.86
Step by Step Solution
- Step 1: Write the proportion equation
5,329,493.20 : 7,357,102.44 = 3,398,349.52 : x - Step 2: Convert to fraction form
5,329,493.20/7,357,102.44 = 3,398,349.52/x - Step 3: Cross multiply
5,329,493.20x = 7,357,102.44 × 3,398,349.52 - Step 4: Simplify right side
5,329,493.20x = 25,002,005,545,564.83 - Step 5: Solve for x
x = 25,002,005,545,564.83/5,329,493.20 - Step 6: Final answer
x = 4,691,253.86
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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.