Finding the Fourth Proportional to 4,988,149.04, 6,883,642.58 and 2,696,309.73
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Solution
The fourth proportional to 4,988,149.04, 6,883,642.58 and 2,696,309.73 is: 3,720,905.75
Step by Step Solution
- Step 1: Write the proportion equation
4,988,149.04 : 6,883,642.58 = 2,696,309.73 : x - Step 2: Convert to fraction form
4,988,149.04/6,883,642.58 = 2,696,309.73/x - Step 3: Cross multiply
4,988,149.04x = 6,883,642.58 × 2,696,309.73 - Step 4: Simplify right side
4,988,149.04x = 18,560,432,452,814.75 - Step 5: Solve for x
x = 18,560,432,452,814.75/4,988,149.04 - Step 6: Final answer
x = 3,720,905.75
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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.