Finding the Fourth Proportional to 2,637,209.80, 3,955,814.70 and 2,393,140.60
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Solution
The fourth proportional to 2,637,209.80, 3,955,814.70 and 2,393,140.60 is: 3,589,710.90
Step by Step Solution
- Step 1: Write the proportion equation
2,637,209.80 : 3,955,814.70 = 2,393,140.60 : x - Step 2: Convert to fraction form
2,637,209.80/3,955,814.70 = 2,393,140.60/x - Step 3: Cross multiply
2,637,209.80x = 3,955,814.70 × 2,393,140.60 - Step 4: Simplify right side
2,637,209.80x = 9,466,820,764,646.82 - Step 5: Solve for x
x = 9,466,820,764,646.82/2,637,209.80 - Step 6: Final answer
x = 3,589,710.90
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Double scale
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Similar ratio
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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.