Finding the Fourth Proportional to 3,833,327.70, 5,749,317.14 and 1,403,978.94
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Solution
The fourth proportional to 3,833,327.70, 5,749,317.14 and 1,403,978.94 is: 2,105,721.40
Step by Step Solution
- Step 1: Write the proportion equation
3,833,327.70 : 5,749,317.14 = 1,403,978.94 : x - Step 2: Convert to fraction form
3,833,327.70/5,749,317.14 = 1,403,978.94/x - Step 3: Cross multiply
3,833,327.70x = 5,749,317.14 × 1,403,978.94 - Step 4: Simplify right side
3,833,327.70x = 8,071,920,176,921.14 - Step 5: Solve for x
x = 8,071,920,176,921.14/3,833,327.70 - Step 6: Final answer
x = 2,105,721.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.