Finding the Fourth Proportional to 2,136,314.99, 2,948,114.47 and 1,169,445.94
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Solution
The fourth proportional to 2,136,314.99, 2,948,114.47 and 1,169,445.94 is: 1,613,835.27
Step by Step Solution
- Step 1: Write the proportion equation
2,136,314.99 : 2,948,114.47 = 1,169,445.94 : x - Step 2: Convert to fraction form
2,136,314.99/2,948,114.47 = 1,169,445.94/x - Step 3: Cross multiply
2,136,314.99x = 2,948,114.47 × 1,169,445.94 - Step 4: Simplify right side
2,136,314.99x = 3,447,660,477,008.95 - Step 5: Solve for x
x = 3,447,660,477,008.95/2,136,314.99 - Step 6: Final answer
x = 1,613,835.27
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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.