Finding the Fourth Proportional to 1,879,021.98, 2,818,508.38 and 459,090.36
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Solution
The fourth proportional to 1,879,021.98, 2,818,508.38 and 459,090.36 is: 688,629.53
Step by Step Solution
- Step 1: Write the proportion equation
1,879,021.98 : 2,818,508.38 = 459,090.36 : x - Step 2: Convert to fraction form
1,879,021.98/2,818,508.38 = 459,090.36/x - Step 3: Cross multiply
1,879,021.98x = 2,818,508.38 × 459,090.36 - Step 4: Simplify right side
1,879,021.98x = 1,293,950,026,837.22 - Step 5: Solve for x
x = 1,293,950,026,837.22/1,879,021.98 - Step 6: Final answer
x = 688,629.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.