Finding the Fourth Proportional to 1,698,631.50, 2,344,128.09 and 934,701.48
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Solution
The fourth proportional to 1,698,631.50, 2,344,128.09 and 934,701.48 is: 1,289,897.19
Step by Step Solution
- Step 1: Write the proportion equation
1,698,631.50 : 2,344,128.09 = 934,701.48 : x - Step 2: Convert to fraction form
1,698,631.50/2,344,128.09 = 934,701.48/x - Step 3: Cross multiply
1,698,631.50x = 2,344,128.09 × 934,701.48 - Step 4: Simplify right side
1,698,631.50x = 2,191,059,995,032.57 - Step 5: Solve for x
x = 2,191,059,995,032.57/1,698,631.50 - Step 6: Final answer
x = 1,289,897.19
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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.