Finding the Fourth Proportional to 1,384,170.68, 1,910,160.82 and 772,349.23
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Solution
The fourth proportional to 1,384,170.68, 1,910,160.82 and 772,349.23 is: 1,065,844.88
Step by Step Solution
- Step 1: Write the proportion equation
1,384,170.68 : 1,910,160.82 = 772,349.23 : x - Step 2: Convert to fraction form
1,384,170.68/1,910,160.82 = 772,349.23/x - Step 3: Cross multiply
1,384,170.68x = 1,910,160.82 × 772,349.23 - Step 4: Simplify right side
1,384,170.68x = 1,475,311,240,065.53 - Step 5: Solve for x
x = 1,475,311,240,065.53/1,384,170.68 - Step 6: Final answer
x = 1,065,844.88
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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.