Finding the Fourth Proportional to 1,532,864.75, 2,115,252.14 and 920,653.74
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Solution
The fourth proportional to 1,532,864.75, 2,115,252.14 and 920,653.74 is: 1,270,441.37
Step by Step Solution
- Step 1: Write the proportion equation
1,532,864.75 : 2,115,252.14 = 920,653.74 : x - Step 2: Convert to fraction form
1,532,864.75/2,115,252.14 = 920,653.74/x - Step 3: Cross multiply
1,532,864.75x = 2,115,252.14 × 920,653.74 - Step 4: Simplify right side
1,532,864.75x = 1,947,414,789,130.73 - Step 5: Solve for x
x = 1,947,414,789,130.73/1,532,864.75 - Step 6: Final answer
x = 1,270,441.37
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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.