Finding the Fourth Proportional to 1,447,544.70, 2,171,116.17 and 1,013,949.18
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Solution
The fourth proportional to 1,447,544.70, 2,171,116.17 and 1,013,949.18 is: 1,520,783.06
Step by Step Solution
- Step 1: Write the proportion equation
1,447,544.70 : 2,171,116.17 = 1,013,949.18 : x - Step 2: Convert to fraction form
1,447,544.70/2,171,116.17 = 1,013,949.18/x - Step 3: Cross multiply
1,447,544.70x = 2,171,116.17 × 1,013,949.18 - Step 4: Simplify right side
1,447,544.70x = 2,201,401,460,256.24 - Step 5: Solve for x
x = 2,201,401,460,256.24/1,447,544.70 - Step 6: Final answer
x = 1,520,783.06
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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.