Finding the Fourth Proportional to 4,479,376.12, 6,181,272.58 and 2,545,368.28
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Solution
The fourth proportional to 4,479,376.12, 6,181,272.58 and 2,545,368.28 is: 3,512,456.81
Step by Step Solution
- Step 1: Write the proportion equation
4,479,376.12 : 6,181,272.58 = 2,545,368.28 : x - Step 2: Convert to fraction form
4,479,376.12/6,181,272.58 = 2,545,368.28/x - Step 3: Cross multiply
4,479,376.12x = 6,181,272.58 × 2,545,368.28 - Step 4: Simplify right side
4,479,376.12x = 15,733,615,155,165.76 - Step 5: Solve for x
x = 15,733,615,155,165.76/4,479,376.12 - Step 6: Final answer
x = 3,512,456.81
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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.