Finding the Fourth Proportional to 4,343,681.56, 6,480,252.92 and 4,108,535.32
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Solution
The fourth proportional to 4,343,681.56, 6,480,252.92 and 4,108,535.32 is: 6,129,442.88
Step by Step Solution
- Step 1: Write the proportion equation
4,343,681.56 : 6,480,252.92 = 4,108,535.32 : x - Step 2: Convert to fraction form
4,343,681.56/6,480,252.92 = 4,108,535.32/x - Step 3: Cross multiply
4,343,681.56x = 6,480,252.92 × 4,108,535.32 - Step 4: Simplify right side
4,343,681.56x = 26,624,348,004,353.13 - Step 5: Solve for x
x = 26,624,348,004,353.13/4,343,681.56 - Step 6: Final answer
x = 6,129,442.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.