Finding the Fourth Proportional to 4,282,468.40, 5,909,778.68 and 2,447,487.92
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Solution
The fourth proportional to 4,282,468.40, 5,909,778.68 and 2,447,487.92 is: 3,377,517.49
Step by Step Solution
- Step 1: Write the proportion equation
4,282,468.40 : 5,909,778.68 = 2,447,487.92 : x - Step 2: Convert to fraction form
4,282,468.40/5,909,778.68 = 2,447,487.92/x - Step 3: Cross multiply
4,282,468.40x = 5,909,778.68 × 2,447,487.92 - Step 4: Simplify right side
4,282,468.40x = 14,464,111,929,173.54 - Step 5: Solve for x
x = 14,464,111,929,173.54/4,282,468.40 - Step 6: Final answer
x = 3,377,517.49
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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.