Finding the Fourth Proportional to 2,988,278.76, 4,124,019.24 and 1,699,239
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Solution
The fourth proportional to 2,988,278.76, 4,124,019.24 and 1,699,239 is: 2,345,060.45
Step by Step Solution
- Step 1: Write the proportion equation
2,988,278.76 : 4,124,019.24 = 1,699,239 : x - Step 2: Convert to fraction form
2,988,278.76/4,124,019.24 = 1,699,239/x - Step 3: Cross multiply
2,988,278.76x = 4,124,019.24 × 1,699,239 - Step 4: Simplify right side
2,988,278.76x = 7,007,694,329,358.36 - Step 5: Solve for x
x = 7,007,694,329,358.36/2,988,278.76 - Step 6: Final answer
x = 2,345,060.45
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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.