Finding the Fourth Proportional to 1,615,517.84, 2,229,323.82 and 890,363.36
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Solution
The fourth proportional to 1,615,517.84, 2,229,323.82 and 890,363.36 is: 1,228,651.39
Step by Step Solution
- Step 1: Write the proportion equation
1,615,517.84 : 2,229,323.82 = 890,363.36 : x - Step 2: Convert to fraction form
1,615,517.84/2,229,323.82 = 890,363.36/x - Step 3: Cross multiply
1,615,517.84x = 2,229,323.82 × 890,363.36 - Step 4: Simplify right side
1,615,517.84x = 1,984,908,246,903.24 - Step 5: Solve for x
x = 1,984,908,246,903.24/1,615,517.84 - Step 6: Final answer
x = 1,228,651.39
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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.