Finding the Fourth Proportional to 4,836,138.99, 6,673,871.58 and 2,660,635.47
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Solution
The fourth proportional to 4,836,138.99, 6,673,871.58 and 2,660,635.47 is: 3,671,676.82
Step by Step Solution
- Step 1: Write the proportion equation
4,836,138.99 : 6,673,871.58 = 2,660,635.47 : x - Step 2: Convert to fraction form
4,836,138.99/6,673,871.58 = 2,660,635.47/x - Step 3: Cross multiply
4,836,138.99x = 6,673,871.58 × 2,660,635.47 - Step 4: Simplify right side
4,836,138.99x = 17,756,739,447,972.95 - Step 5: Solve for x
x = 17,756,739,447,972.95/4,836,138.99 - Step 6: Final answer
x = 3,671,676.82
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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.