Finding the Fourth Proportional to 3,138,325.32, 4,707,487.98 and 894,405
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Solution
The fourth proportional to 3,138,325.32, 4,707,487.98 and 894,405 is: 1,341,607.50
Step by Step Solution
- Step 1: Write the proportion equation
3,138,325.32 : 4,707,487.98 = 894,405 : x - Step 2: Convert to fraction form
3,138,325.32/4,707,487.98 = 894,405/x - Step 3: Cross multiply
3,138,325.32x = 4,707,487.98 × 894,405 - Step 4: Simplify right side
3,138,325.32x = 4,210,400,786,751.90 - Step 5: Solve for x
x = 4,210,400,786,751.90/3,138,325.32 - Step 6: Final answer
x = 1,341,607.50
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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.