Finding the Fourth Proportional to 1,918,694.49, 2,877,779.26 and 571,065.09
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Solution
The fourth proportional to 1,918,694.49, 2,877,779.26 and 571,065.09 is: 856,519.51
Step by Step Solution
- Step 1: Write the proportion equation
1,918,694.49 : 2,877,779.26 = 571,065.09 : x - Step 2: Convert to fraction form
1,918,694.49/2,877,779.26 = 571,065.09/x - Step 3: Cross multiply
1,918,694.49x = 2,877,779.26 × 571,065.09 - Step 4: Simplify right side
1,918,694.49x = 1,643,399,272,112.03 - Step 5: Solve for x
x = 1,643,399,272,112.03/1,918,694.49 - Step 6: Final answer
x = 856,519.51
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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.