Finding the Fourth Proportional to 1,490,080.53, 2,057,040.08 and 999,874.66
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Solution
The fourth proportional to 1,490,080.53, 2,057,040.08 and 999,874.66 is: 1,380,316.17
Step by Step Solution
- Step 1: Write the proportion equation
1,490,080.53 : 2,057,040.08 = 999,874.66 : x - Step 2: Convert to fraction form
1,490,080.53/2,057,040.08 = 999,874.66/x - Step 3: Cross multiply
1,490,080.53x = 2,057,040.08 × 999,874.66 - Step 4: Simplify right side
1,490,080.53x = 2,056,782,250,596.37 - Step 5: Solve for x
x = 2,056,782,250,596.37/1,490,080.53 - Step 6: Final answer
x = 1,380,316.17
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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.