Finding the Fourth Proportional to 1,780,501.70, 2,670,752.55 and 835,717.70
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Solution
The fourth proportional to 1,780,501.70, 2,670,752.55 and 835,717.70 is: 1,253,576.55
Step by Step Solution
- Step 1: Write the proportion equation
1,780,501.70 : 2,670,752.55 = 835,717.70 : x - Step 2: Convert to fraction form
1,780,501.70/2,670,752.55 = 835,717.70/x - Step 3: Cross multiply
1,780,501.70x = 2,670,752.55 × 835,717.70 - Step 4: Simplify right side
1,780,501.70x = 2,231,995,178,355.13 - Step 5: Solve for x
x = 2,231,995,178,355.13/1,780,501.70 - Step 6: Final answer
x = 1,253,576.55
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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.