Finding the Fourth Proportional to 4,984,477.05, 6,878,408.28 and 2,749,343.19
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Solution
The fourth proportional to 4,984,477.05, 6,878,408.28 and 2,749,343.19 is: 3,793,999.81
Step by Step Solution
- Step 1: Write the proportion equation
4,984,477.05 : 6,878,408.28 = 2,749,343.19 : x - Step 2: Convert to fraction form
4,984,477.05/6,878,408.28 = 2,749,343.19/x - Step 3: Cross multiply
4,984,477.05x = 6,878,408.28 × 2,749,343.19 - Step 4: Simplify right side
4,984,477.05x = 18,911,104,962,657.61 - Step 5: Solve for x
x = 18,911,104,962,657.61/4,984,477.05 - Step 6: Final answer
x = 3,793,999.81
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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.