Finding the Fourth Proportional to 6,312,635.17, 9,470,356.05 and 2,945,005.09
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Solution
The fourth proportional to 6,312,635.17, 9,470,356.05 and 2,945,005.09 is: 4,418,162.31
Step by Step Solution
- Step 1: Write the proportion equation
6,312,635.17 : 9,470,356.05 = 2,945,005.09 : x - Step 2: Convert to fraction form
6,312,635.17/9,470,356.05 = 2,945,005.09/x - Step 3: Cross multiply
6,312,635.17x = 9,470,356.05 × 2,945,005.09 - Step 4: Simplify right side
6,312,635.17x = 27,890,246,771,362.30 - Step 5: Solve for x
x = 27,890,246,771,362.30/6,312,635.17 - Step 6: Final answer
x = 4,418,162.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.