Finding the Fourth Proportional to 2,405,462.79, 3,319,542.57 and 1,317,710.49
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Solution
The fourth proportional to 2,405,462.79, 3,319,542.57 and 1,317,710.49 is: 1,818,442.62
Step by Step Solution
- Step 1: Write the proportion equation
2,405,462.79 : 3,319,542.57 = 1,317,710.49 : x - Step 2: Convert to fraction form
2,405,462.79/3,319,542.57 = 1,317,710.49/x - Step 3: Cross multiply
2,405,462.79x = 3,319,542.57 × 1,317,710.49 - Step 4: Simplify right side
2,405,462.79x = 4,374,196,066,490.56 - Step 5: Solve for x
x = 4,374,196,066,490.56/2,405,462.79 - Step 6: Final answer
x = 1,818,442.62
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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.