Finding the Fourth Proportional to 6,381,042.12, 8,805,941.96 and 3,480,432.26
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Solution
The fourth proportional to 6,381,042.12, 8,805,941.96 and 3,480,432.26 is: 4,803,053.14
Step by Step Solution
- Step 1: Write the proportion equation
6,381,042.12 : 8,805,941.96 = 3,480,432.26 : x - Step 2: Convert to fraction form
6,381,042.12/8,805,941.96 = 3,480,432.26/x - Step 3: Cross multiply
6,381,042.12x = 8,805,941.96 × 3,480,432.26 - Step 4: Simplify right side
6,381,042.12x = 30,648,484,415,839.76 - Step 5: Solve for x
x = 30,648,484,415,839.76/6,381,042.12 - Step 6: Final answer
x = 4,803,053.14
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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.