Finding the Fourth Proportional to 5,197,454.73, 7,172,535.24 and 2,874,227.18
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Solution
The fourth proportional to 5,197,454.73, 7,172,535.24 and 2,874,227.18 is: 3,966,459.89
Step by Step Solution
- Step 1: Write the proportion equation
5,197,454.73 : 7,172,535.24 = 2,874,227.18 : x - Step 2: Convert to fraction form
5,197,454.73/7,172,535.24 = 2,874,227.18/x - Step 3: Cross multiply
5,197,454.73x = 7,172,535.24 × 2,874,227.18 - Step 4: Simplify right side
5,197,454.73x = 20,615,495,736,315.82 - Step 5: Solve for x
x = 20,615,495,736,315.82/5,197,454.73 - Step 6: Final answer
x = 3,966,459.89
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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.