Finding the Fourth Proportional to 1,741,781.16, 2,403,636.90 and 977,815.08
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Solution
The fourth proportional to 1,741,781.16, 2,403,636.90 and 977,815.08 is: 1,349,372.96
Step by Step Solution
- Step 1: Write the proportion equation
1,741,781.16 : 2,403,636.90 = 977,815.08 : x - Step 2: Convert to fraction form
1,741,781.16/2,403,636.90 = 977,815.08/x - Step 3: Cross multiply
1,741,781.16x = 2,403,636.90 × 977,815.08 - Step 4: Simplify right side
1,741,781.16x = 2,350,312,407,664.45 - Step 5: Solve for x
x = 2,350,312,407,664.45/1,741,781.16 - Step 6: Final answer
x = 1,349,372.96
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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.