Finding the Fourth Proportional to 6,381,681.32, 8,806,776.44 and 3,481,085.09
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Solution
The fourth proportional to 6,381,681.32, 8,806,776.44 and 3,481,085.09 is: 4,803,928.09
Step by Step Solution
- Step 1: Write the proportion equation
6,381,681.32 : 8,806,776.44 = 3,481,085.09 : x - Step 2: Convert to fraction form
6,381,681.32/8,806,776.44 = 3,481,085.09/x - Step 3: Cross multiply
6,381,681.32x = 8,806,776.44 × 3,481,085.09 - Step 4: Simplify right side
6,381,681.32x = 30,657,138,138,841.86 - Step 5: Solve for x
x = 30,657,138,138,841.86/6,381,681.32 - Step 6: Final answer
x = 4,803,928.09
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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.