Finding the Fourth Proportional to 2,176,546.60, 3,263,264.70 and 977,487.40
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Solution
The fourth proportional to 2,176,546.60, 3,263,264.70 and 977,487.40 is: 1,465,532.66
Step by Step Solution
- Step 1: Write the proportion equation
2,176,546.60 : 3,263,264.70 = 977,487.40 : x - Step 2: Convert to fraction form
2,176,546.60/3,263,264.70 = 977,487.40/x - Step 3: Cross multiply
2,176,546.60x = 3,263,264.70 × 977,487.40 - Step 4: Simplify right side
2,176,546.60x = 3,189,800,127,114.78 - Step 5: Solve for x
x = 3,189,800,127,114.78/2,176,546.60 - Step 6: Final answer
x = 1,465,532.66
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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.