Finding the Fourth Proportional to 1,692,446.40, 2,335,636.56 and 928,522.08
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Solution
The fourth proportional to 1,692,446.40, 2,335,636.56 and 928,522.08 is: 1,281,393.68
Step by Step Solution
- Step 1: Write the proportion equation
1,692,446.40 : 2,335,636.56 = 928,522.08 : x - Step 2: Convert to fraction form
1,692,446.40/2,335,636.56 = 928,522.08/x - Step 3: Cross multiply
1,692,446.40x = 2,335,636.56 × 928,522.08 - Step 4: Simplify right side
1,692,446.40x = 2,168,690,116,815.25 - Step 5: Solve for x
x = 2,168,690,116,815.25/1,692,446.40 - Step 6: Final answer
x = 1,281,393.68
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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.