Finding the Fourth Proportional to 1,877,221.44, 2,590,585.47 and 1,102,884.53
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Solution
The fourth proportional to 1,877,221.44, 2,590,585.47 and 1,102,884.53 is: 1,521,992.33
Step by Step Solution
- Step 1: Write the proportion equation
1,877,221.44 : 2,590,585.47 = 1,102,884.53 : x - Step 2: Convert to fraction form
1,877,221.44/2,590,585.47 = 1,102,884.53/x - Step 3: Cross multiply
1,877,221.44x = 2,590,585.47 × 1,102,884.53 - Step 4: Simplify right side
1,877,221.44x = 2,857,116,625,552.85 - Step 5: Solve for x
x = 2,857,116,625,552.85/1,877,221.44 - Step 6: Final answer
x = 1,521,992.33
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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.