Finding the Fourth Proportional to 1,674,149.80, 2,511,807.90 and 728,199.40
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Solution
The fourth proportional to 1,674,149.80, 2,511,807.90 and 728,199.40 is: 1,092,552.77
Step by Step Solution
- Step 1: Write the proportion equation
1,674,149.80 : 2,511,807.90 = 728,199.40 : x - Step 2: Convert to fraction form
1,674,149.80/2,511,807.90 = 728,199.40/x - Step 3: Cross multiply
1,674,149.80x = 2,511,807.90 × 728,199.40 - Step 4: Simplify right side
1,674,149.80x = 1,829,097,005,695.26 - Step 5: Solve for x
x = 1,829,097,005,695.26/1,674,149.80 - Step 6: Final answer
x = 1,092,552.77
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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.