Finding the Fourth Proportional to 2,417,427.18, 3,335,979.84 and 1,329,698.70
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Solution
The fourth proportional to 2,417,427.18, 3,335,979.84 and 1,329,698.70 is: 1,834,945.89
Step by Step Solution
- Step 1: Write the proportion equation
2,417,427.18 : 3,335,979.84 = 1,329,698.70 : x - Step 2: Convert to fraction form
2,417,427.18/3,335,979.84 = 1,329,698.70/x - Step 3: Cross multiply
2,417,427.18x = 3,335,979.84 × 1,329,698.70 - Step 4: Simplify right side
2,417,427.18x = 4,435,848,056,474.21 - Step 5: Solve for x
x = 4,435,848,056,474.21/2,417,427.18 - Step 6: Final answer
x = 1,834,945.89
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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.