Finding the Fourth Proportional to 2,405,108.70, 3,319,051.41 and 1,317,398.45
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Solution
The fourth proportional to 2,405,108.70, 3,319,051.41 and 1,317,398.45 is: 1,818,010.62
Step by Step Solution
- Step 1: Write the proportion equation
2,405,108.70 : 3,319,051.41 = 1,317,398.45 : x - Step 2: Convert to fraction form
2,405,108.70/3,319,051.41 = 1,317,398.45/x - Step 3: Cross multiply
2,405,108.70x = 3,319,051.41 × 1,317,398.45 - Step 4: Simplify right side
2,405,108.70x = 4,372,513,166,409.06 - Step 5: Solve for x
x = 4,372,513,166,409.06/2,405,108.70 - Step 6: Final answer
x = 1,818,010.62
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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.