Finding the Fourth Proportional to 7,884,605.66, 10,880,735.47 and 4,399,907.29
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Solution
The fourth proportional to 7,884,605.66, 10,880,735.47 and 4,399,907.29 is: 6,071,860.71
Step by Step Solution
- Step 1: Write the proportion equation
7,884,605.66 : 10,880,735.47 = 4,399,907.29 : x - Step 2: Convert to fraction form
7,884,605.66/10,880,735.47 = 4,399,907.29/x - Step 3: Cross multiply
7,884,605.66x = 10,880,735.47 × 4,399,907.29 - Step 4: Simplify right side
7,884,605.66x = 47,874,227,276,812.96 - Step 5: Solve for x
x = 47,874,227,276,812.96/7,884,605.66 - Step 6: Final answer
x = 6,071,860.71
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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.