Finding the Fourth Proportional to 1,590,811.34, 2,195,465.73 and 902,707.70
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Solution
The fourth proportional to 1,590,811.34, 2,195,465.73 and 902,707.70 is: 1,245,819.52
Step by Step Solution
- Step 1: Write the proportion equation
1,590,811.34 : 2,195,465.73 = 902,707.70 : x - Step 2: Convert to fraction form
1,590,811.34/2,195,465.73 = 902,707.70/x - Step 3: Cross multiply
1,590,811.34x = 2,195,465.73 × 902,707.70 - Step 4: Simplify right side
1,590,811.34x = 1,981,863,819,557.12 - Step 5: Solve for x
x = 1,981,863,819,557.12/1,590,811.34 - Step 6: Final answer
x = 1,245,819.52
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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.