Finding the Fourth Proportional to 2,120,653.68, 3,180,876.84 and 790,854
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Solution
The fourth proportional to 2,120,653.68, 3,180,876.84 and 790,854 is: 1,186,242.33
Step by Step Solution
- Step 1: Write the proportion equation
2,120,653.68 : 3,180,876.84 = 790,854 : x - Step 2: Convert to fraction form
2,120,653.68/3,180,876.84 = 790,854/x - Step 3: Cross multiply
2,120,653.68x = 3,180,876.84 × 790,854 - Step 4: Simplify right side
2,120,653.68x = 2,515,609,172,421.36 - Step 5: Solve for x
x = 2,515,609,172,421.36/2,120,653.68 - Step 6: Final answer
x = 1,186,242.33
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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.