Finding the Fourth Proportional to 1,478,974.14, 2,219,379.62 and 946,877.04
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Solution
The fourth proportional to 1,478,974.14, 2,219,379.62 and 946,877.04 is: 1,420,903.55
Step by Step Solution
- Step 1: Write the proportion equation
1,478,974.14 : 2,219,379.62 = 946,877.04 : x - Step 2: Convert to fraction form
1,478,974.14/2,219,379.62 = 946,877.04/x - Step 3: Cross multiply
1,478,974.14x = 2,219,379.62 × 946,877.04 - Step 4: Simplify right side
1,478,974.14x = 2,101,479,600,487.54 - Step 5: Solve for x
x = 2,101,479,600,487.54/1,478,974.14 - Step 6: Final answer
x = 1,420,903.55
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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.