Finding the Fourth Proportional to 1,543,613.36, 2,130,192.96 and 899,475.44
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Solution
The fourth proportional to 1,543,613.36, 2,130,192.96 and 899,475.44 is: 1,241,279.91
Step by Step Solution
- Step 1: Write the proportion equation
1,543,613.36 : 2,130,192.96 = 899,475.44 : x - Step 2: Convert to fraction form
1,543,613.36/2,130,192.96 = 899,475.44/x - Step 3: Cross multiply
1,543,613.36x = 2,130,192.96 × 899,475.44 - Step 4: Simplify right side
1,543,613.36x = 1,916,056,249,980.90 - Step 5: Solve for x
x = 1,916,056,249,980.90/1,543,613.36 - Step 6: Final answer
x = 1,241,279.91
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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.