Finding the Fourth Proportional to 3,129,733.70, 4,316,875.50 and 2,201,410.28
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Solution
The fourth proportional to 3,129,733.70, 4,316,875.50 and 2,201,410.28 is: 3,036,428.98
Step by Step Solution
- Step 1: Write the proportion equation
3,129,733.70 : 4,316,875.50 = 2,201,410.28 : x - Step 2: Convert to fraction form
3,129,733.70/4,316,875.50 = 2,201,410.28/x - Step 3: Cross multiply
3,129,733.70x = 4,316,875.50 × 2,201,410.28 - Step 4: Simplify right side
3,129,733.70x = 9,503,214,103,180.14 - Step 5: Solve for x
x = 9,503,214,103,180.14/3,129,733.70 - Step 6: Final answer
x = 3,036,428.98
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1.5x scale
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.