Finding the Fourth Proportional to 1,577,318.46, 2,176,801.83 and 915,165.99
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Solution
The fourth proportional to 1,577,318.46, 2,176,801.83 and 915,165.99 is: 1,262,988.45
Step by Step Solution
- Step 1: Write the proportion equation
1,577,318.46 : 2,176,801.83 = 915,165.99 : x - Step 2: Convert to fraction form
1,577,318.46/2,176,801.83 = 915,165.99/x - Step 3: Cross multiply
1,577,318.46x = 2,176,801.83 × 915,165.99 - Step 4: Simplify right side
1,577,318.46x = 1,992,135,001,785.76 - Step 5: Solve for x
x = 1,992,135,001,785.76/1,577,318.46 - Step 6: Final answer
x = 1,262,988.45
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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.