Finding the Fourth Proportional to 2,255,215.88, 3,109,187.26 and 1,791,607.99
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Solution
The fourth proportional to 2,255,215.88, 3,109,187.26 and 1,791,607.99 is: 2,470,027.28
Step by Step Solution
- Step 1: Write the proportion equation
2,255,215.88 : 3,109,187.26 = 1,791,607.99 : x - Step 2: Convert to fraction form
2,255,215.88/3,109,187.26 = 1,791,607.99/x - Step 3: Cross multiply
2,255,215.88x = 3,109,187.26 × 1,791,607.99 - Step 4: Simplify right side
2,255,215.88x = 5,570,444,737,422.21 - Step 5: Solve for x
x = 5,570,444,737,422.21/2,255,215.88 - Step 6: Final answer
x = 2,470,027.28
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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.