Finding the Fourth Proportional to 1,418,684.10, 2,129,160.99 and 745,162.61
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Solution
The fourth proportional to 1,418,684.10, 2,129,160.99 and 745,162.61 is: 1,118,339.98
Step by Step Solution
- Step 1: Write the proportion equation
1,418,684.10 : 2,129,160.99 = 745,162.61 : x - Step 2: Convert to fraction form
1,418,684.10/2,129,160.99 = 745,162.61/x - Step 3: Cross multiply
1,418,684.10x = 2,129,160.99 × 745,162.61 - Step 4: Simplify right side
1,418,684.10x = 1,586,571,149,772.78 - Step 5: Solve for x
x = 1,586,571,149,772.78/1,418,684.10 - Step 6: Final answer
x = 1,118,339.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.