Finding the Fourth Proportional to 4,042,547.80, 6,063,821.70 and 2,021,103.70
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Solution
The fourth proportional to 4,042,547.80, 6,063,821.70 and 2,021,103.70 is: 3,031,655.55
Step by Step Solution
- Step 1: Write the proportion equation
4,042,547.80 : 6,063,821.70 = 2,021,103.70 : x - Step 2: Convert to fraction form
4,042,547.80/6,063,821.70 = 2,021,103.70/x - Step 3: Cross multiply
4,042,547.80x = 6,063,821.70 × 2,021,103.70 - Step 4: Simplify right side
4,042,547.80x = 12,255,612,474,010.29 - Step 5: Solve for x
x = 12,255,612,474,010.29/4,042,547.80 - Step 6: Final answer
x = 3,031,655.55
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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.