Finding the Fourth Proportional to 1,658,952.40, 2,489,396.40 and 699,349.68
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Solution
The fourth proportional to 1,658,952.40, 2,489,396.40 and 699,349.68 is: 1,049,432.51
Step by Step Solution
- Step 1: Write the proportion equation
1,658,952.40 : 2,489,396.40 = 699,349.68 : x - Step 2: Convert to fraction form
1,658,952.40/2,489,396.40 = 699,349.68/x - Step 3: Cross multiply
1,658,952.40x = 2,489,396.40 × 699,349.68 - Step 4: Simplify right side
1,658,952.40x = 1,740,958,575,733.15 - Step 5: Solve for x
x = 1,740,958,575,733.15/1,658,952.40 - Step 6: Final answer
x = 1,049,432.51
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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.