Finding the Fourth Proportional to 1,543,873.96, 2,130,664.26 and 971,404.84
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Solution
The fourth proportional to 1,543,873.96, 2,130,664.26 and 971,404.84 is: 1,340,613.05
Step by Step Solution
- Step 1: Write the proportion equation
1,543,873.96 : 2,130,664.26 = 971,404.84 : x - Step 2: Convert to fraction form
1,543,873.96/2,130,664.26 = 971,404.84/x - Step 3: Cross multiply
1,543,873.96x = 2,130,664.26 × 971,404.84 - Step 4: Simplify right side
1,543,873.96x = 2,069,737,574,579.02 - Step 5: Solve for x
x = 2,069,737,574,579.02/1,543,873.96 - Step 6: Final answer
x = 1,340,613.05
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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.