Finding the Fourth Proportional to 1,447,311.54, 1,995,982.98 and 903,497.80
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Solution
The fourth proportional to 1,447,311.54, 1,995,982.98 and 903,497.80 is: 1,246,011.09
Step by Step Solution
- Step 1: Write the proportion equation
1,447,311.54 : 1,995,982.98 = 903,497.80 : x - Step 2: Convert to fraction form
1,447,311.54/1,995,982.98 = 903,497.80/x - Step 3: Cross multiply
1,447,311.54x = 1,995,982.98 × 903,497.80 - Step 4: Simplify right side
1,447,311.54x = 1,803,366,231,267.44 - Step 5: Solve for x
x = 1,803,366,231,267.44/1,447,311.54 - Step 6: Final answer
x = 1,246,011.09
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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.