Finding the Fourth Proportional to 2,405,440.08, 3,319,507.85 and 1,317,750.82
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Solution
The fourth proportional to 2,405,440.08, 3,319,507.85 and 1,317,750.82 is: 1,818,496.42
Step by Step Solution
- Step 1: Write the proportion equation
2,405,440.08 : 3,319,507.85 = 1,317,750.82 : x - Step 2: Convert to fraction form
2,405,440.08/3,319,507.85 = 1,317,750.82/x - Step 3: Cross multiply
2,405,440.08x = 3,319,507.85 × 1,317,750.82 - Step 4: Simplify right side
2,405,440.08x = 4,374,284,176,446.41 - Step 5: Solve for x
x = 4,374,284,176,446.41/2,405,440.08 - Step 6: Final answer
x = 1,818,496.42
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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.