Finding the Fourth Proportional to 2,780,781.60, 4,170,135.60 and 1,097,536.80
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Solution
The fourth proportional to 2,780,781.60, 4,170,135.60 and 1,097,536.80 is: 1,645,895.99
Step by Step Solution
- Step 1: Write the proportion equation
2,780,781.60 : 4,170,135.60 = 1,097,536.80 : x - Step 2: Convert to fraction form
2,780,781.60/4,170,135.60 = 1,097,536.80/x - Step 3: Cross multiply
2,780,781.60x = 4,170,135.60 × 1,097,536.80 - Step 4: Simplify right side
2,780,781.60x = 4,576,877,281,990.08 - Step 5: Solve for x
x = 4,576,877,281,990.08/2,780,781.60 - Step 6: Final answer
x = 1,645,895.99
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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.