Finding the Fourth Proportional to 1,548,153.82, 2,136,454.41 and 869,095.18
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Solution
The fourth proportional to 1,548,153.82, 2,136,454.41 and 869,095.18 is: 1,199,352.55
Step by Step Solution
- Step 1: Write the proportion equation
1,548,153.82 : 2,136,454.41 = 869,095.18 : x - Step 2: Convert to fraction form
1,548,153.82/2,136,454.41 = 869,095.18/x - Step 3: Cross multiply
1,548,153.82x = 2,136,454.41 × 869,095.18 - Step 4: Simplify right side
1,548,153.82x = 1,856,782,230,020.74 - Step 5: Solve for x
x = 1,856,782,230,020.74/1,548,153.82 - Step 6: Final answer
x = 1,199,352.55
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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.