Finding the Fourth Proportional to 5,048,104.32, 6,966,331.20 and 2,756,257.92
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Solution
The fourth proportional to 5,048,104.32, 6,966,331.20 and 2,756,257.92 is: 3,803,607.12
Step by Step Solution
- Step 1: Write the proportion equation
5,048,104.32 : 6,966,331.20 = 2,756,257.92 : x - Step 2: Convert to fraction form
5,048,104.32/6,966,331.20 = 2,756,257.92/x - Step 3: Cross multiply
5,048,104.32x = 6,966,331.20 × 2,756,257.92 - Step 4: Simplify right side
5,048,104.32x = 19,201,005,543,343.11 - Step 5: Solve for x
x = 19,201,005,543,343.11/5,048,104.32 - Step 6: Final answer
x = 3,803,607.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.