Finding the Fourth Proportional to 2,307,309.21, 3,184,150.92 and 1,274,883.53
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Solution
The fourth proportional to 2,307,309.21, 3,184,150.92 and 1,274,883.53 is: 1,759,374.74
Step by Step Solution
- Step 1: Write the proportion equation
2,307,309.21 : 3,184,150.92 = 1,274,883.53 : x - Step 2: Convert to fraction form
2,307,309.21/3,184,150.92 = 1,274,883.53/x - Step 3: Cross multiply
2,307,309.21x = 3,184,150.92 × 1,274,883.53 - Step 4: Simplify right side
2,307,309.21x = 4,059,421,549,021.59 - Step 5: Solve for x
x = 4,059,421,549,021.59/2,307,309.21 - Step 6: Final answer
x = 1,759,374.74
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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.