Finding the Fourth Proportional to 2,278,212.31, 3,417,321.79 and 930,374.93
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Solution
The fourth proportional to 2,278,212.31, 3,417,321.79 and 930,374.93 is: 1,395,563.75
Step by Step Solution
- Step 1: Write the proportion equation
2,278,212.31 : 3,417,321.79 = 930,374.93 : x - Step 2: Convert to fraction form
2,278,212.31/3,417,321.79 = 930,374.93/x - Step 3: Cross multiply
2,278,212.31x = 3,417,321.79 × 930,374.93 - Step 4: Simplify right side
2,278,212.31x = 3,179,390,521,158.73 - Step 5: Solve for x
x = 3,179,390,521,158.73/2,278,212.31 - Step 6: Final answer
x = 1,395,563.75
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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.