Finding the Fourth Proportional to 5,062,486.68, 6,984,848.16 and 2,886,235.92
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Solution
The fourth proportional to 5,062,486.68, 6,984,848.16 and 2,886,235.92 is: 3,982,216.83
Step by Step Solution
- Step 1: Write the proportion equation
5,062,486.68 : 6,984,848.16 = 2,886,235.92 : x - Step 2: Convert to fraction form
5,062,486.68/6,984,848.16 = 2,886,235.92/x - Step 3: Cross multiply
5,062,486.68x = 6,984,848.16 × 2,886,235.92 - Step 4: Simplify right side
5,062,486.68x = 20,159,919,655,137.91 - Step 5: Solve for x
x = 20,159,919,655,137.91/5,062,486.68 - Step 6: Final answer
x = 3,982,216.83
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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.