Finding the Fourth Proportional to 1,466,015.40, 2,199,241.80 and 519,311.70
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Solution
The fourth proportional to 1,466,015.40, 2,199,241.80 and 519,311.70 is: 779,045.02
Step by Step Solution
- Step 1: Write the proportion equation
1,466,015.40 : 2,199,241.80 = 519,311.70 : x - Step 2: Convert to fraction form
1,466,015.40/2,199,241.80 = 519,311.70/x - Step 3: Cross multiply
1,466,015.40x = 2,199,241.80 × 519,311.70 - Step 4: Simplify right side
1,466,015.40x = 1,142,091,997,869.06 - Step 5: Solve for x
x = 1,142,091,997,869.06/1,466,015.40 - Step 6: Final answer
x = 779,045.02
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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.