Finding the Fourth Proportional to 1,918,693.49, 2,877,777.77 and 571,064.09
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Solution
The fourth proportional to 1,918,693.49, 2,877,777.77 and 571,064.09 is: 856,518.01
Step by Step Solution
- Step 1: Write the proportion equation
1,918,693.49 : 2,877,777.77 = 571,064.09 : x - Step 2: Convert to fraction form
1,918,693.49/2,877,777.77 = 571,064.09/x - Step 3: Cross multiply
1,918,693.49x = 2,877,777.77 × 571,064.09 - Step 4: Simplify right side
1,918,693.49x = 1,643,395,526,203.07 - Step 5: Solve for x
x = 1,643,395,526,203.07/1,918,693.49 - Step 6: Final answer
x = 856,518.01
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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.