Finding the Fourth Proportional to 2,136,785.88, 2,948,652.48 and 1,169,731.08
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Solution
The fourth proportional to 2,136,785.88, 2,948,652.48 and 1,169,731.08 is: 1,614,167.56
Step by Step Solution
- Step 1: Write the proportion equation
2,136,785.88 : 2,948,652.48 = 1,169,731.08 : x - Step 2: Convert to fraction form
2,136,785.88/2,948,652.48 = 1,169,731.08/x - Step 3: Cross multiply
2,136,785.88x = 2,948,652.48 × 1,169,731.08 - Step 4: Simplify right side
2,136,785.88x = 3,449,130,449,975.08 - Step 5: Solve for x
x = 3,449,130,449,975.08/2,136,785.88 - Step 6: Final answer
x = 1,614,167.56
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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.