Finding the Fourth Proportional to 1,447,390.69, 1,996,092.11 and 903,576.74
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Solution
The fourth proportional to 1,447,390.69, 1,996,092.11 and 903,576.74 is: 1,246,119.94
Step by Step Solution
- Step 1: Write the proportion equation
1,447,390.69 : 1,996,092.11 = 903,576.74 : x - Step 2: Convert to fraction form
1,447,390.69/1,996,092.11 = 903,576.74/x - Step 3: Cross multiply
1,447,390.69x = 1,996,092.11 × 903,576.74 - Step 4: Simplify right side
1,447,390.69x = 1,803,622,393,772.00 - Step 5: Solve for x
x = 1,803,622,393,772.00/1,447,390.69 - Step 6: Final answer
x = 1,246,119.94
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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.