Finding the Fourth Proportional to 4,921,414.00, 6,791,391.95 and 2,686,106.21
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Solution
The fourth proportional to 4,921,414.00, 6,791,391.95 and 2,686,106.21 is: 3,706,739.58
Step by Step Solution
- Step 1: Write the proportion equation
4,921,414.00 : 6,791,391.95 = 2,686,106.21 : x - Step 2: Convert to fraction form
4,921,414.00/6,791,391.95 = 2,686,106.21/x - Step 3: Cross multiply
4,921,414.00x = 6,791,391.95 × 2,686,106.21 - Step 4: Simplify right side
4,921,414.00x = 18,242,400,044,051.52 - Step 5: Solve for x
x = 18,242,400,044,051.52/4,921,414.00 - Step 6: Final answer
x = 3,706,739.58
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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.