Finding the Fourth Proportional to 1,490,017.98, 2,235,360.14 and 543,388.70
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Solution
The fourth proportional to 1,490,017.98, 2,235,360.14 and 543,388.70 is: 815,204.55
Step by Step Solution
- Step 1: Write the proportion equation
1,490,017.98 : 2,235,360.14 = 543,388.70 : x - Step 2: Convert to fraction form
1,490,017.98/2,235,360.14 = 543,388.70/x - Step 3: Cross multiply
1,490,017.98x = 2,235,360.14 × 543,388.70 - Step 4: Simplify right side
1,490,017.98x = 1,214,669,440,506.42 - Step 5: Solve for x
x = 1,214,669,440,506.42/1,490,017.98 - Step 6: Final answer
x = 815,204.55
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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.