Finding the Fourth Proportional to 4,297,560.13, 6,445,639.43 and 1,264,216.44
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Solution
The fourth proportional to 4,297,560.13, 6,445,639.43 and 1,264,216.44 is: 1,896,118.51
Step by Step Solution
- Step 1: Write the proportion equation
4,297,560.13 : 6,445,639.43 = 1,264,216.44 : x - Step 2: Convert to fraction form
4,297,560.13/6,445,639.43 = 1,264,216.44/x - Step 3: Cross multiply
4,297,560.13x = 6,445,639.43 × 1,264,216.44 - Step 4: Simplify right side
4,297,560.13x = 8,148,683,295,168.95 - Step 5: Solve for x
x = 8,148,683,295,168.95/4,297,560.13 - Step 6: Final answer
x = 1,896,118.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.