Finding the Fourth Proportional to 4,319,395.28, 6,479,117.13 and 1,440,754.19
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Solution
The fourth proportional to 4,319,395.28, 6,479,117.13 and 1,440,754.19 is: 2,161,139.36
Step by Step Solution
- Step 1: Write the proportion equation
4,319,395.28 : 6,479,117.13 = 1,440,754.19 : x - Step 2: Convert to fraction form
4,319,395.28/6,479,117.13 = 1,440,754.19/x - Step 3: Cross multiply
4,319,395.28x = 6,479,117.13 × 1,440,754.19 - Step 4: Simplify right side
4,319,395.28x = 9,334,815,120,152.69 - Step 5: Solve for x
x = 9,334,815,120,152.69/4,319,395.28 - Step 6: Final answer
x = 2,161,139.36
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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.