Finding the Fourth Proportional to 1,894,644.84, 2,616,355.98 and 1,216,762.32
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Solution
The fourth proportional to 1,894,644.84, 2,616,355.98 and 1,216,762.32 is: 1,680,253.37
Step by Step Solution
- Step 1: Write the proportion equation
1,894,644.84 : 2,616,355.98 = 1,216,762.32 : x - Step 2: Convert to fraction form
1,894,644.84/2,616,355.98 = 1,216,762.32/x - Step 3: Cross multiply
1,894,644.84x = 2,616,355.98 × 1,216,762.32 - Step 4: Simplify right side
1,894,644.84x = 3,183,483,372,170.67 - Step 5: Solve for x
x = 3,183,483,372,170.67/1,894,644.84 - Step 6: Final answer
x = 1,680,253.37
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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.