Finding the Fourth Proportional to 1,467,965.40, 2,201,948.10 and 1,416,643.80
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Solution
The fourth proportional to 1,467,965.40, 2,201,948.10 and 1,416,643.80 is: 2,124,965.70
Step by Step Solution
- Step 1: Write the proportion equation
1,467,965.40 : 2,201,948.10 = 1,416,643.80 : x - Step 2: Convert to fraction form
1,467,965.40/2,201,948.10 = 1,416,643.80/x - Step 3: Cross multiply
1,467,965.40x = 2,201,948.10 × 1,416,643.80 - Step 4: Simplify right side
1,467,965.40x = 3,119,376,123,786.78 - Step 5: Solve for x
x = 3,119,376,123,786.78/1,467,965.40 - Step 6: Final answer
x = 2,124,965.70
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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.