Finding the Fourth Proportional to 4,846,642.74, 6,688,280.21 and 2,641,525.42
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Solution
The fourth proportional to 4,846,642.74, 6,688,280.21 and 2,641,525.42 is: 3,645,257.79
Step by Step Solution
- Step 1: Write the proportion equation
4,846,642.74 : 6,688,280.21 = 2,641,525.42 : x - Step 2: Convert to fraction form
4,846,642.74/6,688,280.21 = 2,641,525.42/x - Step 3: Cross multiply
4,846,642.74x = 6,688,280.21 × 2,641,525.42 - Step 4: Simplify right side
4,846,642.74x = 17,667,262,190,797.94 - Step 5: Solve for x
x = 17,667,262,190,797.94/4,846,642.74 - Step 6: Final answer
x = 3,645,257.79
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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.