Finding the Fourth Proportional to 4,896,621.48, 6,757,501.74 and 2,721,256.32
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Solution
The fourth proportional to 4,896,621.48, 6,757,501.74 and 2,721,256.32 is: 3,755,424.92
Step by Step Solution
- Step 1: Write the proportion equation
4,896,621.48 : 6,757,501.74 = 2,721,256.32 : x - Step 2: Convert to fraction form
4,896,621.48/6,757,501.74 = 2,721,256.32/x - Step 3: Cross multiply
4,896,621.48x = 6,757,501.74 × 2,721,256.32 - Step 4: Simplify right side
4,896,621.48x = 18,388,894,317,386.00 - Step 5: Solve for x
x = 18,388,894,317,386.00/4,896,621.48 - Step 6: Final answer
x = 3,755,424.92
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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.