Finding the Fourth Proportional to 2,873,419.84, 3,965,346.12 and 1,584,305.92
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Solution
The fourth proportional to 2,873,419.84, 3,965,346.12 and 1,584,305.92 is: 2,186,356.91
Step by Step Solution
- Step 1: Write the proportion equation
2,873,419.84 : 3,965,346.12 = 1,584,305.92 : x - Step 2: Convert to fraction form
2,873,419.84/3,965,346.12 = 1,584,305.92/x - Step 3: Cross multiply
2,873,419.84x = 3,965,346.12 × 1,584,305.92 - Step 4: Simplify right side
2,873,419.84x = 6,282,321,332,765.03 - Step 5: Solve for x
x = 6,282,321,332,765.03/2,873,419.84 - Step 6: Final answer
x = 2,186,356.91
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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.