Finding the Fourth Proportional to 1,660,706.17, 2,291,782.73 and 935,565.31
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Solution
The fourth proportional to 1,660,706.17, 2,291,782.73 and 935,565.31 is: 1,291,084.76
Step by Step Solution
- Step 1: Write the proportion equation
1,660,706.17 : 2,291,782.73 = 935,565.31 : x - Step 2: Convert to fraction form
1,660,706.17/2,291,782.73 = 935,565.31/x - Step 3: Cross multiply
1,660,706.17x = 2,291,782.73 × 935,565.31 - Step 4: Simplify right side
1,660,706.17x = 2,144,112,420,245.10 - Step 5: Solve for x
x = 2,144,112,420,245.10/1,660,706.17 - Step 6: Final answer
x = 1,291,084.76
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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.