Finding the Fourth Proportional to 6,744,721.98, 9,307,151.19 and 3,804,376.62
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Solution
The fourth proportional to 6,744,721.98, 9,307,151.19 and 3,804,376.62 is: 5,249,720.97
Step by Step Solution
- Step 1: Write the proportion equation
6,744,721.98 : 9,307,151.19 = 3,804,376.62 : x - Step 2: Convert to fraction form
6,744,721.98/9,307,151.19 = 3,804,376.62/x - Step 3: Cross multiply
6,744,721.98x = 9,307,151.19 × 3,804,376.62 - Step 4: Simplify right side
6,744,721.98x = 35,407,908,386,041.18 - Step 5: Solve for x
x = 35,407,908,386,041.18/6,744,721.98 - Step 6: Final answer
x = 5,249,720.97
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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.