Finding the Fourth Proportional to 1,436,203.68, 1,981,937.40 and 791,683.84
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Solution
The fourth proportional to 1,436,203.68, 1,981,937.40 and 791,683.84 is: 1,092,510.65
Step by Step Solution
- Step 1: Write the proportion equation
1,436,203.68 : 1,981,937.40 = 791,683.84 : x - Step 2: Convert to fraction form
1,436,203.68/1,981,937.40 = 791,683.84/x - Step 3: Cross multiply
1,436,203.68x = 1,981,937.40 × 791,683.84 - Step 4: Simplify right side
1,436,203.68x = 1,569,067,810,980.22 - Step 5: Solve for x
x = 1,569,067,810,980.22/1,436,203.68 - Step 6: Final answer
x = 1,092,510.65
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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.