Finding the Fourth Proportional to 1,440,165.80, 2,160,248.70 and 442,893.80
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Solution
The fourth proportional to 1,440,165.80, 2,160,248.70 and 442,893.80 is: 664,340.70
Step by Step Solution
- Step 1: Write the proportion equation
1,440,165.80 : 2,160,248.70 = 442,893.80 : x - Step 2: Convert to fraction form
1,440,165.80/2,160,248.70 = 442,893.80/x - Step 3: Cross multiply
1,440,165.80x = 2,160,248.70 × 442,893.80 - Step 4: Simplify right side
1,440,165.80x = 956,760,755,688.06 - Step 5: Solve for x
x = 956,760,755,688.06/1,440,165.80 - Step 6: Final answer
x = 664,340.70
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1.5x scale
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.