Finding the Fourth Proportional to 3,288,289.41, 4,537,656.09 and 1,818,112.91
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Solution
The fourth proportional to 3,288,289.41, 4,537,656.09 and 1,818,112.91 is: 2,508,894.46
Step by Step Solution
- Step 1: Write the proportion equation
3,288,289.41 : 4,537,656.09 = 1,818,112.91 : x - Step 2: Convert to fraction form
3,288,289.41/4,537,656.09 = 1,818,112.91/x - Step 3: Cross multiply
3,288,289.41x = 4,537,656.09 × 1,818,112.91 - Step 4: Simplify right side
3,288,289.41x = 8,249,971,095,680.84 - Step 5: Solve for x
x = 8,249,971,095,680.84/3,288,289.41 - Step 6: Final answer
x = 2,508,894.46
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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.