Finding the Fourth Proportional to 4,811,073.31, 6,639,280.77 and 2,877,333.85
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Solution
The fourth proportional to 4,811,073.31, 6,639,280.77 and 2,877,333.85 is: 3,970,720.48
Step by Step Solution
- Step 1: Write the proportion equation
4,811,073.31 : 6,639,280.77 = 2,877,333.85 : x - Step 2: Convert to fraction form
4,811,073.31/6,639,280.77 = 2,877,333.85/x - Step 3: Cross multiply
4,811,073.31x = 6,639,280.77 × 2,877,333.85 - Step 4: Simplify right side
4,811,073.31x = 19,103,427,299,175.06 - Step 5: Solve for x
x = 19,103,427,299,175.06/4,811,073.31 - Step 6: Final answer
x = 3,970,720.48
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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.