Finding the Fourth Proportional to 6,120,543.36, 8,446,349.76 and 3,367,171.71
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Solution
The fourth proportional to 6,120,543.36, 8,446,349.76 and 3,367,171.71 is: 4,646,696.92
Step by Step Solution
- Step 1: Write the proportion equation
6,120,543.36 : 8,446,349.76 = 3,367,171.71 : x - Step 2: Convert to fraction form
6,120,543.36/8,446,349.76 = 3,367,171.71/x - Step 3: Cross multiply
6,120,543.36x = 8,446,349.76 × 3,367,171.71 - Step 4: Simplify right side
6,120,543.36x = 28,440,309,964,637.29 - Step 5: Solve for x
x = 28,440,309,964,637.29/6,120,543.36 - Step 6: Final answer
x = 4,646,696.92
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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.