Finding the Fourth Proportional to 1,612,265.92, 2,225,848.56 and 1,069,139.68
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Solution
The fourth proportional to 1,612,265.92, 2,225,848.56 and 1,069,139.68 is: 1,476,023.89
Step by Step Solution
- Step 1: Write the proportion equation
1,612,265.92 : 2,225,848.56 = 1,069,139.68 : x - Step 2: Convert to fraction form
1,612,265.92/2,225,848.56 = 1,069,139.68/x - Step 3: Cross multiply
1,612,265.92x = 2,225,848.56 × 1,069,139.68 - Step 4: Simplify right side
1,612,265.92x = 2,379,743,017,166.86 - Step 5: Solve for x
x = 2,379,743,017,166.86/1,612,265.92 - Step 6: Final answer
x = 1,476,023.89
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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.