Finding the Fourth Proportional to 1,497,688.48, 2,066,811.12 and 818,624.92
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Solution
The fourth proportional to 1,497,688.48, 2,066,811.12 and 818,624.92 is: 1,129,702.95
Step by Step Solution
- Step 1: Write the proportion equation
1,497,688.48 : 2,066,811.12 = 818,624.92 : x - Step 2: Convert to fraction form
1,497,688.48/2,066,811.12 = 818,624.92/x - Step 3: Cross multiply
1,497,688.48x = 2,066,811.12 × 818,624.92 - Step 4: Simplify right side
1,497,688.48x = 1,691,943,087,765.11 - Step 5: Solve for x
x = 1,691,943,087,765.11/1,497,688.48 - Step 6: Final answer
x = 1,129,702.95
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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.