Finding the Fourth Proportional to 5,288,117.76, 7,297,603.20 and 2,873,664
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Solution
The fourth proportional to 5,288,117.76, 7,297,603.20 and 2,873,664 is: 3,965,656.70
Step by Step Solution
- Step 1: Write the proportion equation
5,288,117.76 : 7,297,603.20 = 2,873,664 : x - Step 2: Convert to fraction form
5,288,117.76/7,297,603.20 = 2,873,664/x - Step 3: Cross multiply
5,288,117.76x = 7,297,603.20 × 2,873,664 - Step 4: Simplify right side
5,288,117.76x = 20,970,859,602,124.80 - Step 5: Solve for x
x = 20,970,859,602,124.80/5,288,117.76 - Step 6: Final answer
x = 3,965,656.70
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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.