Finding the Fourth Proportional to 1,425,552.18, 2,138,647.41 and 478,897.08
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Solution
The fourth proportional to 1,425,552.18, 2,138,647.41 and 478,897.08 is: 718,452.83
Step by Step Solution
- Step 1: Write the proportion equation
1,425,552.18 : 2,138,647.41 = 478,897.08 : x - Step 2: Convert to fraction form
1,425,552.18/2,138,647.41 = 478,897.08/x - Step 3: Cross multiply
1,425,552.18x = 2,138,647.41 × 478,897.08 - Step 4: Simplify right side
1,425,552.18x = 1,024,191,999,798.56 - Step 5: Solve for x
x = 1,024,191,999,798.56/1,425,552.18 - Step 6: Final answer
x = 718,452.83
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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.