Finding the Fourth Proportional to 4,079,288.11, 6,118,267.12 and 1,199,981.54
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Solution
The fourth proportional to 4,079,288.11, 6,118,267.12 and 1,199,981.54 is: 1,799,776.68
Step by Step Solution
- Step 1: Write the proportion equation
4,079,288.11 : 6,118,267.12 = 1,199,981.54 : x - Step 2: Convert to fraction form
4,079,288.11/6,118,267.12 = 1,199,981.54/x - Step 3: Cross multiply
4,079,288.11x = 6,118,267.12 × 1,199,981.54 - Step 4: Simplify right side
4,079,288.11x = 7,341,807,612,918.23 - Step 5: Solve for x
x = 7,341,807,612,918.23/4,079,288.11 - Step 6: Final answer
x = 1,799,776.68
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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.