Finding the Fourth Proportional to 4,456,965.38, 6,687,728.17 and 2,122,646.63
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Solution
The fourth proportional to 4,456,965.38, 6,687,728.17 and 2,122,646.63 is: 3,185,055.85
Step by Step Solution
- Step 1: Write the proportion equation
4,456,965.38 : 6,687,728.17 = 2,122,646.63 : x - Step 2: Convert to fraction form
4,456,965.38/6,687,728.17 = 2,122,646.63/x - Step 3: Cross multiply
4,456,965.38x = 6,687,728.17 × 2,122,646.63 - Step 4: Simplify right side
4,456,965.38x = 14,195,683,623,661.31 - Step 5: Solve for x
x = 14,195,683,623,661.31/4,456,965.38 - Step 6: Final answer
x = 3,185,055.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.