Finding the Fourth Proportional to 1,489,966.70, 2,234,950.05 and 543,368.30
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Solution
The fourth proportional to 1,489,966.70, 2,234,950.05 and 543,368.30 is: 815,052.45
Step by Step Solution
- Step 1: Write the proportion equation
1,489,966.70 : 2,234,950.05 = 543,368.30 : x - Step 2: Convert to fraction form
1,489,966.70/2,234,950.05 = 543,368.30/x - Step 3: Cross multiply
1,489,966.70x = 2,234,950.05 × 543,368.30 - Step 4: Simplify right side
1,489,966.70x = 1,214,401,009,253.42 - Step 5: Solve for x
x = 1,214,401,009,253.42/1,489,966.70 - Step 6: Final answer
x = 815,052.45
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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.