Finding the Fourth Proportional to 2,126,493.36, 2,934,631.68 and 1,159,676.40
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Solution
The fourth proportional to 2,126,493.36, 2,934,631.68 and 1,159,676.40 is: 1,600,392.07
Step by Step Solution
- Step 1: Write the proportion equation
2,126,493.36 : 2,934,631.68 = 1,159,676.40 : x - Step 2: Convert to fraction form
2,126,493.36/2,934,631.68 = 1,159,676.40/x - Step 3: Cross multiply
2,126,493.36x = 2,934,631.68 × 1,159,676.40 - Step 4: Simplify right side
2,126,493.36x = 3,403,223,101,988.35 - Step 5: Solve for x
x = 3,403,223,101,988.35/2,126,493.36 - Step 6: Final answer
x = 1,600,392.07
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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.