Finding the Fourth Proportional to 1,467,564.40, 2,201,565.30 and 520,855.84
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Solution
The fourth proportional to 1,467,564.40, 2,201,565.30 and 520,855.84 is: 781,361.38
Step by Step Solution
- Step 1: Write the proportion equation
1,467,564.40 : 2,201,565.30 = 520,855.84 : x - Step 2: Convert to fraction form
1,467,564.40/2,201,565.30 = 520,855.84/x - Step 3: Cross multiply
1,467,564.40x = 2,201,565.30 × 520,855.84 - Step 4: Simplify right side
1,467,564.40x = 1,146,698,143,646.35 - Step 5: Solve for x
x = 1,146,698,143,646.35/1,467,564.40 - Step 6: Final answer
x = 781,361.38
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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.