Finding the Fourth Proportional to 1,897,976.70, 2,619,207.84 and 1,038,536.96
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Solution
The fourth proportional to 1,897,976.70, 2,619,207.84 and 1,038,536.96 is: 1,433,181.00
Step by Step Solution
- Step 1: Write the proportion equation
1,897,976.70 : 2,619,207.84 = 1,038,536.96 : x - Step 2: Convert to fraction form
1,897,976.70/2,619,207.84 = 1,038,536.96/x - Step 3: Cross multiply
1,897,976.70x = 2,619,207.84 × 1,038,536.96 - Step 4: Simplify right side
1,897,976.70x = 2,720,144,134,665.73 - Step 5: Solve for x
x = 2,720,144,134,665.73/1,897,976.70 - Step 6: Final answer
x = 1,433,181.00
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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.