Finding the Fourth Proportional to 3,134,830.38, 4,702,303.91 and 891,026.70
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Solution
The fourth proportional to 3,134,830.38, 4,702,303.91 and 891,026.70 is: 1,336,556.63
Step by Step Solution
- Step 1: Write the proportion equation
3,134,830.38 : 4,702,303.91 = 891,026.70 : x - Step 2: Convert to fraction form
3,134,830.38/4,702,303.91 = 891,026.70/x - Step 3: Cross multiply
3,134,830.38x = 4,702,303.91 × 891,026.70 - Step 4: Simplify right side
3,134,830.38x = 4,189,878,335,324.40 - Step 5: Solve for x
x = 4,189,878,335,324.40/3,134,830.38 - Step 6: Final answer
x = 1,336,556.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.