Finding the Fourth Proportional to 2,406,279.62, 3,609,642.10 and 787,057.62
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Solution
The fourth proportional to 2,406,279.62, 3,609,642.10 and 787,057.62 is: 1,180,659.26
Step by Step Solution
- Step 1: Write the proportion equation
2,406,279.62 : 3,609,642.10 = 787,057.62 : x - Step 2: Convert to fraction form
2,406,279.62/3,609,642.10 = 787,057.62/x - Step 3: Cross multiply
2,406,279.62x = 3,609,642.10 × 787,057.62 - Step 4: Simplify right side
2,406,279.62x = 2,840,996,320,277.80 - Step 5: Solve for x
x = 2,840,996,320,277.80/2,406,279.62 - Step 6: Final answer
x = 1,180,659.26
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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.