Finding the Fourth Proportional to 1,637,705.80, 2,456,558.70 and 929,117.80
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Solution
The fourth proportional to 1,637,705.80, 2,456,558.70 and 929,117.80 is: 1,393,676.70
Step by Step Solution
- Step 1: Write the proportion equation
1,637,705.80 : 2,456,558.70 = 929,117.80 : x - Step 2: Convert to fraction form
1,637,705.80/2,456,558.70 = 929,117.80/x - Step 3: Cross multiply
1,637,705.80x = 2,456,558.70 × 929,117.80 - Step 4: Simplify right side
1,637,705.80x = 2,282,432,414,914.86 - Step 5: Solve for x
x = 2,282,432,414,914.86/1,637,705.80 - Step 6: Final answer
x = 1,393,676.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.