Finding the Fourth Proportional to 4,810,728.16, 6,638,806.56 and 2,635,349.32
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Solution
The fourth proportional to 4,810,728.16, 6,638,806.56 and 2,635,349.32 is: 3,636,782.99
Step by Step Solution
- Step 1: Write the proportion equation
4,810,728.16 : 6,638,806.56 = 2,635,349.32 : x - Step 2: Convert to fraction form
4,810,728.16/6,638,806.56 = 2,635,349.32/x - Step 3: Cross multiply
4,810,728.16x = 6,638,806.56 × 2,635,349.32 - Step 4: Simplify right side
4,810,728.16x = 17,495,574,353,507.54 - Step 5: Solve for x
x = 17,495,574,353,507.54/4,810,728.16 - Step 6: Final answer
x = 3,636,782.99
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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.