Finding the Fourth Proportional to 1,425,600.87, 2,138,402.31 and 346,115.49
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Solution
The fourth proportional to 1,425,600.87, 2,138,402.31 and 346,115.49 is: 519,173.48
Step by Step Solution
- Step 1: Write the proportion equation
1,425,600.87 : 2,138,402.31 = 346,115.49 : x - Step 2: Convert to fraction form
1,425,600.87/2,138,402.31 = 346,115.49/x - Step 3: Cross multiply
1,425,600.87x = 2,138,402.31 × 346,115.49 - Step 4: Simplify right side
1,425,600.87x = 740,134,163,342.78 - Step 5: Solve for x
x = 740,134,163,342.78/1,425,600.87 - Step 6: Final answer
x = 519,173.48
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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.