Finding the Fourth Proportional to 6,447,040.60, 9,672,941.70 and 2,660,851.80
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Solution
The fourth proportional to 6,447,040.60, 9,672,941.70 and 2,660,851.80 is: 3,992,260.31
Step by Step Solution
- Step 1: Write the proportion equation
6,447,040.60 : 9,672,941.70 = 2,660,851.80 : x - Step 2: Convert to fraction form
6,447,040.60/9,672,941.70 = 2,660,851.80/x - Step 3: Cross multiply
6,447,040.60x = 9,672,941.70 × 2,660,851.80 - Step 4: Simplify right side
6,447,040.60x = 25,738,264,333,740.05 - Step 5: Solve for x
x = 25,738,264,333,740.05/6,447,040.60 - Step 6: Final answer
x = 3,992,260.31
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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.