Finding the Fourth Proportional to 3,843,124.52, 5,303,618.98 and 2,124,355.55
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Solution
The fourth proportional to 3,843,124.52, 5,303,618.98 and 2,124,355.55 is: 2,931,669.88
Step by Step Solution
- Step 1: Write the proportion equation
3,843,124.52 : 5,303,618.98 = 2,124,355.55 : x - Step 2: Convert to fraction form
3,843,124.52/5,303,618.98 = 2,124,355.55/x - Step 3: Cross multiply
3,843,124.52x = 5,303,618.98 × 2,124,355.55 - Step 4: Simplify right side
3,843,124.52x = 11,266,772,383,419.36 - Step 5: Solve for x
x = 11,266,772,383,419.36/3,843,124.52 - Step 6: Final answer
x = 2,931,669.88
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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.