Finding the Fourth Proportional to 2,925,313.92, 4,387,184.64 and 1,031,806.08
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Solution
The fourth proportional to 2,925,313.92, 4,387,184.64 and 1,031,806.08 is: 1,547,431.80
Step by Step Solution
- Step 1: Write the proportion equation
2,925,313.92 : 4,387,184.64 = 1,031,806.08 : x - Step 2: Convert to fraction form
2,925,313.92/4,387,184.64 = 1,031,806.08/x - Step 3: Cross multiply
2,925,313.92x = 4,387,184.64 × 1,031,806.08 - Step 4: Simplify right side
2,925,313.92x = 4,526,723,785,634.61 - Step 5: Solve for x
x = 4,526,723,785,634.61/2,925,313.92 - Step 6: Final answer
x = 1,547,431.80
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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.