Finding the Fourth Proportional to 2,136,495.96, 2,948,434.02 and 1,169,625.96
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Solution
The fourth proportional to 2,136,495.96, 2,948,434.02 and 1,169,625.96 is: 1,614,121.92
Step by Step Solution
- Step 1: Write the proportion equation
2,136,495.96 : 2,948,434.02 = 1,169,625.96 : x - Step 2: Convert to fraction form
2,136,495.96/2,948,434.02 = 1,169,625.96/x - Step 3: Cross multiply
2,136,495.96x = 2,948,434.02 × 1,169,625.96 - Step 4: Simplify right side
2,136,495.96x = 3,448,564,971,139.16 - Step 5: Solve for x
x = 3,448,564,971,139.16/2,136,495.96 - Step 6: Final answer
x = 1,614,121.92
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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.