Finding the Fourth Proportional to 1,783,188.80, 2,460,752.52 and 1,085,207.84
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Solution
The fourth proportional to 1,783,188.80, 2,460,752.52 and 1,085,207.84 is: 1,497,557.59
Step by Step Solution
- Step 1: Write the proportion equation
1,783,188.80 : 2,460,752.52 = 1,085,207.84 : x - Step 2: Convert to fraction form
1,783,188.80/2,460,752.52 = 1,085,207.84/x - Step 3: Cross multiply
1,783,188.80x = 2,460,752.52 × 1,085,207.84 - Step 4: Simplify right side
1,783,188.80x = 2,670,427,927,003.76 - Step 5: Solve for x
x = 2,670,427,927,003.76/1,783,188.80 - Step 6: Final answer
x = 1,497,557.59
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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.