Finding the Fourth Proportional to 2,872,777.44, 3,964,459.80 and 1,583,663.92
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Solution
The fourth proportional to 2,872,777.44, 3,964,459.80 and 1,583,663.92 is: 2,185,471.06
Step by Step Solution
- Step 1: Write the proportion equation
2,872,777.44 : 3,964,459.80 = 1,583,663.92 : x - Step 2: Convert to fraction form
2,872,777.44/3,964,459.80 = 1,583,663.92/x - Step 3: Cross multiply
2,872,777.44x = 3,964,459.80 × 1,583,663.92 - Step 4: Simplify right side
2,872,777.44x = 6,278,371,947,550.42 - Step 5: Solve for x
x = 6,278,371,947,550.42/2,872,777.44 - Step 6: Final answer
x = 2,185,471.06
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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.