Finding the Fourth Proportional to 1,695,474.19, 2,339,757.16 and 921,108.07
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Solution
The fourth proportional to 1,695,474.19, 2,339,757.16 and 921,108.07 is: 1,271,130.64
Step by Step Solution
- Step 1: Write the proportion equation
1,695,474.19 : 2,339,757.16 = 921,108.07 : x - Step 2: Convert to fraction form
1,695,474.19/2,339,757.16 = 921,108.07/x - Step 3: Cross multiply
1,695,474.19x = 2,339,757.16 × 921,108.07 - Step 4: Simplify right side
1,695,474.19x = 2,155,169,185,611.95 - Step 5: Solve for x
x = 2,155,169,185,611.95/1,695,474.19 - Step 6: Final answer
x = 1,271,130.64
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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.