Finding the Fourth Proportional to 3,650,854.38, 5,475,116.92 and 1,254,121.08
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Solution
The fourth proportional to 3,650,854.38, 5,475,116.92 and 1,254,121.08 is: 1,880,781.55
Step by Step Solution
- Step 1: Write the proportion equation
3,650,854.38 : 5,475,116.92 = 1,254,121.08 : x - Step 2: Convert to fraction form
3,650,854.38/5,475,116.92 = 1,254,121.08/x - Step 3: Cross multiply
3,650,854.38x = 5,475,116.92 × 1,254,121.08 - Step 4: Simplify right side
3,650,854.38x = 6,866,459,544,836.67 - Step 5: Solve for x
x = 6,866,459,544,836.67/3,650,854.38 - Step 6: Final answer
x = 1,880,781.55
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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.