Finding the Fourth Proportional to 4,818,715.18, 6,648,711.87 and 2,884,240.78
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Solution
The fourth proportional to 4,818,715.18, 6,648,711.87 and 2,884,240.78 is: 3,979,584.85
Step by Step Solution
- Step 1: Write the proportion equation
4,818,715.18 : 6,648,711.87 = 2,884,240.78 : x - Step 2: Convert to fraction form
4,818,715.18/6,648,711.87 = 2,884,240.78/x - Step 3: Cross multiply
4,818,715.18x = 6,648,711.87 × 2,884,240.78 - Step 4: Simplify right side
4,818,715.18x = 19,176,485,909,924.06 - Step 5: Solve for x
x = 19,176,485,909,924.06/4,818,715.18 - Step 6: Final answer
x = 3,979,584.85
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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.