Finding the Fourth Proportional to 3,896,603.13, 5,377,320.12 and 2,177,723.60
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Solution
The fourth proportional to 3,896,603.13, 5,377,320.12 and 2,177,723.60 is: 3,005,262.92
Step by Step Solution
- Step 1: Write the proportion equation
3,896,603.13 : 5,377,320.12 = 2,177,723.60 : x - Step 2: Convert to fraction form
3,896,603.13/5,377,320.12 = 2,177,723.60/x - Step 3: Cross multiply
3,896,603.13x = 5,377,320.12 × 2,177,723.60 - Step 4: Simplify right side
3,896,603.13x = 11,710,316,903,192.23 - Step 5: Solve for x
x = 11,710,316,903,192.23/3,896,603.13 - Step 6: Final answer
x = 3,005,262.92
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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.