Finding the Fourth Proportional to 1,454,138.42, 2,182,204.01 and 507,509.14
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Solution
The fourth proportional to 1,454,138.42, 2,182,204.01 and 507,509.14 is: 761,611.45
Step by Step Solution
- Step 1: Write the proportion equation
1,454,138.42 : 2,182,204.01 = 507,509.14 : x - Step 2: Convert to fraction form
1,454,138.42/2,182,204.01 = 507,509.14/x - Step 3: Cross multiply
1,454,138.42x = 2,182,204.01 × 507,509.14 - Step 4: Simplify right side
1,454,138.42x = 1,107,488,472,426.60 - Step 5: Solve for x
x = 1,107,488,472,426.60/1,454,138.42 - Step 6: Final answer
x = 761,611.45
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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.