Finding the Fourth Proportional to 4,643,134.34, 6,407,842.81 and 2,578,256.58
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Solution
The fourth proportional to 4,643,134.34, 6,407,842.81 and 2,578,256.58 is: 3,558,170.34
Step by Step Solution
- Step 1: Write the proportion equation
4,643,134.34 : 6,407,842.81 = 2,578,256.58 : x - Step 2: Convert to fraction form
4,643,134.34/6,407,842.81 = 2,578,256.58/x - Step 3: Cross multiply
4,643,134.34x = 6,407,842.81 × 2,578,256.58 - Step 4: Simplify right side
4,643,134.34x = 16,521,062,888,488.19 - Step 5: Solve for x
x = 16,521,062,888,488.19/4,643,134.34 - Step 6: Final answer
x = 3,558,170.34
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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.