Finding the Fourth Proportional to 2,896,871.13, 3,997,747.85 and 1,607,794.55
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Solution
The fourth proportional to 2,896,871.13, 3,997,747.85 and 1,607,794.55 is: 2,218,792.94
Step by Step Solution
- Step 1: Write the proportion equation
2,896,871.13 : 3,997,747.85 = 1,607,794.55 : x - Step 2: Convert to fraction form
2,896,871.13/3,997,747.85 = 1,607,794.55/x - Step 3: Cross multiply
2,896,871.13x = 3,997,747.85 × 1,607,794.55 - Step 4: Simplify right side
2,896,871.13x = 6,427,557,205,504.22 - Step 5: Solve for x
x = 6,427,557,205,504.22/2,896,871.13 - Step 6: Final answer
x = 2,218,792.94
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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.