Finding the Fourth Proportional to 1,993,460.38, 2,750,677.34 and 1,122,167.74
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Solution
The fourth proportional to 1,993,460.38, 2,750,677.34 and 1,122,167.74 is: 1,548,423.74
Step by Step Solution
- Step 1: Write the proportion equation
1,993,460.38 : 2,750,677.34 = 1,122,167.74 : x - Step 2: Convert to fraction form
1,993,460.38/2,750,677.34 = 1,122,167.74/x - Step 3: Cross multiply
1,993,460.38x = 2,750,677.34 × 1,122,167.74 - Step 4: Simplify right side
1,993,460.38x = 3,086,721,374,097.01 - Step 5: Solve for x
x = 3,086,721,374,097.01/1,993,460.38 - Step 6: Final answer
x = 1,548,423.74
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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.