Finding the Fourth Proportional to 4,911,336.21, 6,777,848.16 and 2,735,878.77
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Solution
The fourth proportional to 4,911,336.21, 6,777,848.16 and 2,735,878.77 is: 3,775,626.45
Step by Step Solution
- Step 1: Write the proportion equation
4,911,336.21 : 6,777,848.16 = 2,735,878.77 : x - Step 2: Convert to fraction form
4,911,336.21/6,777,848.16 = 2,735,878.77/x - Step 3: Cross multiply
4,911,336.21x = 6,777,848.16 × 2,735,878.77 - Step 4: Simplify right side
4,911,336.21x = 18,543,370,887,227.56 - Step 5: Solve for x
x = 18,543,370,887,227.56/4,911,336.21 - Step 6: Final answer
x = 3,775,626.45
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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.