Finding the Fourth Proportional to 1,636,991.36, 2,442,684.48 and 1,466,777.75
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Solution
The fourth proportional to 1,636,991.36, 2,442,684.48 and 1,466,777.75 is: 2,188,695.27
Step by Step Solution
- Step 1: Write the proportion equation
1,636,991.36 : 2,442,684.48 = 1,466,777.75 : x - Step 2: Convert to fraction form
1,636,991.36/2,442,684.48 = 1,466,777.75/x - Step 3: Cross multiply
1,636,991.36x = 2,442,684.48 × 1,466,777.75 - Step 4: Simplify right side
1,636,991.36x = 3,582,875,233,320.90 - Step 5: Solve for x
x = 3,582,875,233,320.90/1,636,991.36 - Step 6: Final answer
x = 2,188,695.27
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.