Finding the Fourth Proportional to 4,430,517.06, 6,115,251.14 and 2,885,628.47
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Solution
The fourth proportional to 4,430,517.06, 6,115,251.14 and 2,885,628.47 is: 3,982,908.20
Step by Step Solution
- Step 1: Write the proportion equation
4,430,517.06 : 6,115,251.14 = 2,885,628.47 : x - Step 2: Convert to fraction form
4,430,517.06/6,115,251.14 = 2,885,628.47/x - Step 3: Cross multiply
4,430,517.06x = 6,115,251.14 × 2,885,628.47 - Step 4: Simplify right side
4,430,517.06x = 17,646,342,756,600.66 - Step 5: Solve for x
x = 17,646,342,756,600.66/4,430,517.06 - Step 6: Final answer
x = 3,982,908.20
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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.