Finding the Fourth Proportional to 1,807,143.18, 2,493,672.75 and 1,081,972.05
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Solution
The fourth proportional to 1,807,143.18, 2,493,672.75 and 1,081,972.05 is: 1,493,010.76
Step by Step Solution
- Step 1: Write the proportion equation
1,807,143.18 : 2,493,672.75 = 1,081,972.05 : x - Step 2: Convert to fraction form
1,807,143.18/2,493,672.75 = 1,081,972.05/x - Step 3: Cross multiply
1,807,143.18x = 2,493,672.75 × 1,081,972.05 - Step 4: Simplify right side
1,807,143.18x = 2,698,084,217,346.64 - Step 5: Solve for x
x = 2,698,084,217,346.64/1,807,143.18 - Step 6: Final answer
x = 1,493,010.76
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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.