Finding the Fourth Proportional to 6,455,866.24, 9,687,639.30 and 3,261,315.88
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Solution
The fourth proportional to 6,455,866.24, 9,687,639.30 and 3,261,315.88 is: 4,893,913.65
Step by Step Solution
- Step 1: Write the proportion equation
6,455,866.24 : 9,687,639.30 = 3,261,315.88 : x - Step 2: Convert to fraction form
6,455,866.24/9,687,639.30 = 3,261,315.88/x - Step 3: Cross multiply
6,455,866.24x = 9,687,639.30 × 3,261,315.88 - Step 4: Simplify right side
6,455,866.24x = 31,594,451,888,802.09 - Step 5: Solve for x
x = 31,594,451,888,802.09/6,455,866.24 - Step 6: Final answer
x = 4,893,913.65
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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.