Finding the Fourth Proportional to 6,812,459.19, 10,207,121.04 and 4,111,108.11
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Solution
The fourth proportional to 6,812,459.19, 10,207,121.04 and 4,111,108.11 is: 6,159,681.39
Step by Step Solution
- Step 1: Write the proportion equation
6,812,459.19 : 10,207,121.04 = 4,111,108.11 : x - Step 2: Convert to fraction form
6,812,459.19/10,207,121.04 = 4,111,108.11/x - Step 3: Cross multiply
6,812,459.19x = 10,207,121.04 × 4,111,108.11 - Step 4: Simplify right side
6,812,459.19x = 41,962,578,087,295.63 - Step 5: Solve for x
x = 41,962,578,087,295.63/6,812,459.19 - Step 6: Final answer
x = 6,159,681.39
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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.