Finding the Fourth Proportional to 4,920,784, 6,790,686.20 and 2,745,327.68
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Solution
The fourth proportional to 4,920,784, 6,790,686.20 and 2,745,327.68 is: 3,788,554.59
Step by Step Solution
- Step 1: Write the proportion equation
4,920,784 : 6,790,686.20 = 2,745,327.68 : x - Step 2: Convert to fraction form
4,920,784/6,790,686.20 = 2,745,327.68/x - Step 3: Cross multiply
4,920,784x = 6,790,686.20 × 2,745,327.68 - Step 4: Simplify right side
4,920,784x = 18,642,658,791,054.02 - Step 5: Solve for x
x = 18,642,658,791,054.02/4,920,784 - Step 6: Final answer
x = 3,788,554.59
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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.