Finding the Fourth Proportional to 3,442,806.84, 4,750,978.05 and 1,872,886.62
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Solution
The fourth proportional to 3,442,806.84, 4,750,978.05 and 1,872,886.62 is: 2,584,531.64
Step by Step Solution
- Step 1: Write the proportion equation
3,442,806.84 : 4,750,978.05 = 1,872,886.62 : x - Step 2: Convert to fraction form
3,442,806.84/4,750,978.05 = 1,872,886.62/x - Step 3: Cross multiply
3,442,806.84x = 4,750,978.05 × 1,872,886.62 - Step 4: Simplify right side
3,442,806.84x = 8,898,043,221,758.69 - Step 5: Solve for x
x = 8,898,043,221,758.69/3,442,806.84 - Step 6: Final answer
x = 2,584,531.64
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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.