Finding the Fourth Proportional to 1,403,676.18, 1,934,798.13 and 1,097,211.06
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Solution
The fourth proportional to 1,403,676.18, 1,934,798.13 and 1,097,211.06 is: 1,512,372.97
Step by Step Solution
- Step 1: Write the proportion equation
1,403,676.18 : 1,934,798.13 = 1,097,211.06 : x - Step 2: Convert to fraction form
1,403,676.18/1,934,798.13 = 1,097,211.06/x - Step 3: Cross multiply
1,403,676.18x = 1,934,798.13 × 1,097,211.06 - Step 4: Simplify right side
1,403,676.18x = 2,122,881,907,103.32 - Step 5: Solve for x
x = 2,122,881,907,103.32/1,403,676.18 - Step 6: Final answer
x = 1,512,372.97
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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.