Finding the Fourth Proportional to 4,845,711.28, 6,686,989.76 and 2,670,455.52
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Solution
The fourth proportional to 4,845,711.28, 6,686,989.76 and 2,670,455.52 is: 3,685,178.02
Step by Step Solution
- Step 1: Write the proportion equation
4,845,711.28 : 6,686,989.76 = 2,670,455.52 : x - Step 2: Convert to fraction form
4,845,711.28/6,686,989.76 = 2,670,455.52/x - Step 3: Cross multiply
4,845,711.28x = 6,686,989.76 × 2,670,455.52 - Step 4: Simplify right side
4,845,711.28x = 17,857,308,716,775.48 - Step 5: Solve for x
x = 17,857,308,716,775.48/4,845,711.28 - Step 6: Final answer
x = 3,685,178.02
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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.