Finding the Fourth Proportional to 4,842,855.78, 6,683,186.18 and 2,667,406.92
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Solution
The fourth proportional to 4,842,855.78, 6,683,186.18 and 2,667,406.92 is: 3,681,046.45
Step by Step Solution
- Step 1: Write the proportion equation
4,842,855.78 : 6,683,186.18 = 2,667,406.92 : x - Step 2: Convert to fraction form
4,842,855.78/6,683,186.18 = 2,667,406.92/x - Step 3: Cross multiply
4,842,855.78x = 6,683,186.18 × 2,667,406.92 - Step 4: Simplify right side
4,842,855.78x = 17,826,777,064,180.36 - Step 5: Solve for x
x = 17,826,777,064,180.36/4,842,855.78 - Step 6: Final answer
x = 3,681,046.45
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1.5x scale
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.