Finding the Fourth Proportional to 5,011,122.69, 6,915,368.12 and 2,719,283.58
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Solution
The fourth proportional to 5,011,122.69, 6,915,368.12 and 2,719,283.58 is: 3,752,621.54
Step by Step Solution
- Step 1: Write the proportion equation
5,011,122.69 : 6,915,368.12 = 2,719,283.58 : x - Step 2: Convert to fraction form
5,011,122.69/6,915,368.12 = 2,719,283.58/x - Step 3: Cross multiply
5,011,122.69x = 6,915,368.12 × 2,719,283.58 - Step 4: Simplify right side
5,011,122.69x = 18,804,846,964,775.05 - Step 5: Solve for x
x = 18,804,846,964,775.05/5,011,122.69 - Step 6: Final answer
x = 3,752,621.54
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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.