Finding the Fourth Proportional to 4,708,960.36, 6,498,489.78 and 2,644,140.76
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Solution
The fourth proportional to 4,708,960.36, 6,498,489.78 and 2,644,140.76 is: 3,648,984.15
Step by Step Solution
- Step 1: Write the proportion equation
4,708,960.36 : 6,498,489.78 = 2,644,140.76 : x - Step 2: Convert to fraction form
4,708,960.36/6,498,489.78 = 2,644,140.76/x - Step 3: Cross multiply
4,708,960.36x = 6,498,489.78 × 2,644,140.76 - Step 4: Simplify right side
4,708,960.36x = 17,182,921,705,741.43 - Step 5: Solve for x
x = 17,182,921,705,741.43/4,708,960.36 - Step 6: Final answer
x = 3,648,984.15
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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.