Finding the Fourth Proportional to 1,534,510.92, 2,117,634.12 and 890,314.68
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Solution
The fourth proportional to 1,534,510.92, 2,117,634.12 and 890,314.68 is: 1,228,639.51
Step by Step Solution
- Step 1: Write the proportion equation
1,534,510.92 : 2,117,634.12 = 890,314.68 : x - Step 2: Convert to fraction form
1,534,510.92/2,117,634.12 = 890,314.68/x - Step 3: Cross multiply
1,534,510.92x = 2,117,634.12 × 890,314.68 - Step 4: Simplify right side
1,534,510.92x = 1,885,360,743,904.88 - Step 5: Solve for x
x = 1,885,360,743,904.88/1,534,510.92 - Step 6: Final answer
x = 1,228,639.51
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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.