Finding the Fourth Proportional to 2,427,848.39, 3,350,431.13 and 1,340,120.21
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Solution
The fourth proportional to 2,427,848.39, 3,350,431.13 and 1,340,120.21 is: 1,849,366.07
Step by Step Solution
- Step 1: Write the proportion equation
2,427,848.39 : 3,350,431.13 = 1,340,120.21 : x - Step 2: Convert to fraction form
2,427,848.39/3,350,431.13 = 1,340,120.21/x - Step 3: Cross multiply
2,427,848.39x = 3,350,431.13 × 1,340,120.21 - Step 4: Simplify right side
2,427,848.39x = 4,489,980,446,073.38 - Step 5: Solve for x
x = 4,489,980,446,073.38/2,427,848.39 - Step 6: Final answer
x = 1,849,366.07
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1.5x scale
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.