Finding the Fourth Proportional to 2,813,905.76, 4,220,860.28 and 1,976,197.28
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Solution
The fourth proportional to 2,813,905.76, 4,220,860.28 and 1,976,197.28 is: 2,964,297.07
Step by Step Solution
- Step 1: Write the proportion equation
2,813,905.76 : 4,220,860.28 = 1,976,197.28 : x - Step 2: Convert to fraction form
2,813,905.76/4,220,860.28 = 1,976,197.28/x - Step 3: Cross multiply
2,813,905.76x = 4,220,860.28 × 1,976,197.28 - Step 4: Simplify right side
2,813,905.76x = 8,341,252,573,610.75 - Step 5: Solve for x
x = 8,341,252,573,610.75/2,813,905.76 - Step 6: Final answer
x = 2,964,297.07
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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.