Finding the Fourth Proportional to 1,635,653.35, 2,453,873.68 and 689,294.71
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Solution
The fourth proportional to 1,635,653.35, 2,453,873.68 and 689,294.71 is: 1,034,107.95
Step by Step Solution
- Step 1: Write the proportion equation
1,635,653.35 : 2,453,873.68 = 689,294.71 : x - Step 2: Convert to fraction form
1,635,653.35/2,453,873.68 = 689,294.71/x - Step 3: Cross multiply
1,635,653.35x = 2,453,873.68 × 689,294.71 - Step 4: Simplify right side
1,635,653.35x = 1,691,442,134,362.86 - Step 5: Solve for x
x = 1,691,442,134,362.86/1,635,653.35 - Step 6: Final answer
x = 1,034,107.95
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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.