Finding the Fourth Proportional to 2,428,437.31, 3,351,248.49 and 1,340,710.99
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Solution
The fourth proportional to 2,428,437.31, 3,351,248.49 and 1,340,710.99 is: 1,850,183.93
Step by Step Solution
- Step 1: Write the proportion equation
2,428,437.31 : 3,351,248.49 = 1,340,710.99 : x - Step 2: Convert to fraction form
2,428,437.31/3,351,248.49 = 1,340,710.99/x - Step 3: Cross multiply
2,428,437.31x = 3,351,248.49 × 1,340,710.99 - Step 4: Simplify right side
2,428,437.31x = 4,493,055,680,763.91 - Step 5: Solve for x
x = 4,493,055,680,763.91/2,428,437.31 - Step 6: Final answer
x = 1,850,183.93
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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.