Finding the Fourth Proportional to 3,440,457.16, 5,160,756.80 and 1,251,951.76
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Solution
The fourth proportional to 3,440,457.16, 5,160,756.80 and 1,251,951.76 is: 1,877,953.50
Step by Step Solution
- Step 1: Write the proportion equation
3,440,457.16 : 5,160,756.80 = 1,251,951.76 : x - Step 2: Convert to fraction form
3,440,457.16/5,160,756.80 = 1,251,951.76/x - Step 3: Cross multiply
3,440,457.16x = 5,160,756.80 × 1,251,951.76 - Step 4: Simplify right side
3,440,457.16x = 6,461,018,558,691.97 - Step 5: Solve for x
x = 6,461,018,558,691.97/3,440,457.16 - Step 6: Final answer
x = 1,877,953.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.