Finding the Fourth Proportional to 4,528,948.32, 6,248,922.48 and 3,305,920.32
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Solution
The fourth proportional to 4,528,948.32, 6,248,922.48 and 3,305,920.32 is: 4,561,420.96
Step by Step Solution
- Step 1: Write the proportion equation
4,528,948.32 : 6,248,922.48 = 3,305,920.32 : x - Step 2: Convert to fraction form
4,528,948.32/6,248,922.48 = 3,305,920.32/x - Step 3: Cross multiply
4,528,948.32x = 6,248,922.48 × 3,305,920.32 - Step 4: Simplify right side
4,528,948.32x = 20,658,439,804,736.79 - Step 5: Solve for x
x = 20,658,439,804,736.79/4,528,948.32 - Step 6: Final answer
x = 4,561,420.96
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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.