Finding the Fourth Proportional to 2,912,562.06, 4,368,839.33 and 782,646.21
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Solution
The fourth proportional to 2,912,562.06, 4,368,839.33 and 782,646.21 is: 1,173,968.30
Step by Step Solution
- Step 1: Write the proportion equation
2,912,562.06 : 4,368,839.33 = 782,646.21 : x - Step 2: Convert to fraction form
2,912,562.06/4,368,839.33 = 782,646.21/x - Step 3: Cross multiply
2,912,562.06x = 4,368,839.33 × 782,646.21 - Step 4: Simplify right side
2,912,562.06x = 3,419,255,539,810.21 - Step 5: Solve for x
x = 3,419,255,539,810.21/2,912,562.06 - Step 6: Final answer
x = 1,173,968.30
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1.5x scale
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.