Finding the Fourth Proportional to 4,863,372.12, 7,293,541.86 and 1,831,159.80
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Solution
The fourth proportional to 4,863,372.12, 7,293,541.86 and 1,831,159.80 is: 2,746,168.77
Step by Step Solution
- Step 1: Write the proportion equation
4,863,372.12 : 7,293,541.86 = 1,831,159.80 : x - Step 2: Convert to fraction form
4,863,372.12/7,293,541.86 = 1,831,159.80/x - Step 3: Cross multiply
4,863,372.12x = 7,293,541.86 × 1,831,159.80 - Step 4: Simplify right side
4,863,372.12x = 13,355,640,653,649.23 - Step 5: Solve for x
x = 13,355,640,653,649.23/4,863,372.12 - Step 6: Final answer
x = 2,746,168.77
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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.