Finding the Fourth Proportional to 2,122,202.13, 2,929,377.02 and 1,262,743.93
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Solution
The fourth proportional to 2,122,202.13, 2,929,377.02 and 1,262,743.93 is: 1,743,025.79
Step by Step Solution
- Step 1: Write the proportion equation
2,122,202.13 : 2,929,377.02 = 1,262,743.93 : x - Step 2: Convert to fraction form
2,122,202.13/2,929,377.02 = 1,262,743.93/x - Step 3: Cross multiply
2,122,202.13x = 2,929,377.02 × 1,262,743.93 - Step 4: Simplify right side
2,122,202.13x = 3,699,053,048,034.49 - Step 5: Solve for x
x = 3,699,053,048,034.49/2,122,202.13 - Step 6: Final answer
x = 1,743,025.79
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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.