Finding the Fourth Proportional to 4,456,966.38, 6,687,729.67 and 2,122,647.63
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Solution
The fourth proportional to 4,456,966.38, 6,687,729.67 and 2,122,647.63 is: 3,185,057.35
Step by Step Solution
- Step 1: Write the proportion equation
4,456,966.38 : 6,687,729.67 = 2,122,647.63 : x - Step 2: Convert to fraction form
4,456,966.38/6,687,729.67 = 2,122,647.63/x - Step 3: Cross multiply
4,456,966.38x = 6,687,729.67 × 2,122,647.63 - Step 4: Simplify right side
4,456,966.38x = 14,195,693,534,106.18 - Step 5: Solve for x
x = 14,195,693,534,106.18/4,456,966.38 - Step 6: Final answer
x = 3,185,057.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.