Finding the Fourth Proportional to 1,770,714.80, 2,657,165.70 and 705,645.80
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Solution
The fourth proportional to 1,770,714.80, 2,657,165.70 and 705,645.80 is: 1,058,904.47
Step by Step Solution
- Step 1: Write the proportion equation
1,770,714.80 : 2,657,165.70 = 705,645.80 : x - Step 2: Convert to fraction form
1,770,714.80/2,657,165.70 = 705,645.80/x - Step 3: Cross multiply
1,770,714.80x = 2,657,165.70 × 705,645.80 - Step 4: Simplify right side
1,770,714.80x = 1,875,017,816,109.06 - Step 5: Solve for x
x = 1,875,017,816,109.06/1,770,714.80 - Step 6: Final answer
x = 1,058,904.47
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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.