Finding the Fourth Proportional to 5,266,715.28, 7,268,658.18 and 2,975,023.59
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Solution
The fourth proportional to 5,266,715.28, 7,268,658.18 and 2,975,023.59 is: 4,105,866.45
Step by Step Solution
- Step 1: Write the proportion equation
5,266,715.28 : 7,268,658.18 = 2,975,023.59 : x - Step 2: Convert to fraction form
5,266,715.28/7,268,658.18 = 2,975,023.59/x - Step 3: Cross multiply
5,266,715.28x = 7,268,658.18 × 2,975,023.59 - Step 4: Simplify right side
5,266,715.28x = 21,624,429,553,146.46 - Step 5: Solve for x
x = 21,624,429,553,146.46/5,266,715.28 - Step 6: Final answer
x = 4,105,866.45
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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.