Finding the Fourth Proportional to 7,230,214.71, 10,845,275.25 and 1,838,818.55
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Solution
The fourth proportional to 7,230,214.71, 10,845,275.25 and 1,838,818.55 is: 2,758,215.92
Step by Step Solution
- Step 1: Write the proportion equation
7,230,214.71 : 10,845,275.25 = 1,838,818.55 : x - Step 2: Convert to fraction form
7,230,214.71/10,845,275.25 = 1,838,818.55/x - Step 3: Cross multiply
7,230,214.71x = 10,845,275.25 × 1,838,818.55 - Step 4: Simplify right side
7,230,214.71x = 19,942,493,320,556.05 - Step 5: Solve for x
x = 19,942,493,320,556.05/7,230,214.71 - Step 6: Final answer
x = 2,758,215.92
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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.