Finding the Fourth Proportional to 3,539,576.65, 4,884,990.44 and 2,163,725.63
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Solution
The fourth proportional to 3,539,576.65, 4,884,990.44 and 2,163,725.63 is: 2,986,170.40
Step by Step Solution
- Step 1: Write the proportion equation
3,539,576.65 : 4,884,990.44 = 2,163,725.63 : x - Step 2: Convert to fraction form
3,539,576.65/4,884,990.44 = 2,163,725.63/x - Step 3: Cross multiply
3,539,576.65x = 4,884,990.44 × 2,163,725.63 - Step 4: Simplify right side
3,539,576.65x = 10,569,779,018,726.82 - Step 5: Solve for x
x = 10,569,779,018,726.82/3,539,576.65 - Step 6: Final answer
x = 2,986,170.40
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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.