Finding the Fourth Proportional to 1,447,311.55, 1,995,982.97 and 903,497.80
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Solution
The fourth proportional to 1,447,311.55, 1,995,982.97 and 903,497.80 is: 1,246,011.08
Step by Step Solution
- Step 1: Write the proportion equation
1,447,311.55 : 1,995,982.97 = 903,497.80 : x - Step 2: Convert to fraction form
1,447,311.55/1,995,982.97 = 903,497.80/x - Step 3: Cross multiply
1,447,311.55x = 1,995,982.97 × 903,497.80 - Step 4: Simplify right side
1,447,311.55x = 1,803,366,222,232.47 - Step 5: Solve for x
x = 1,803,366,222,232.47/1,447,311.55 - Step 6: Final answer
x = 1,246,011.08
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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.