Finding the Fourth Proportional to 1,705,056.12, 2,352,626.20 and 979,763.71
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Solution
The fourth proportional to 1,705,056.12, 2,352,626.20 and 979,763.71 is: 1,351,872.09
Step by Step Solution
- Step 1: Write the proportion equation
1,705,056.12 : 2,352,626.20 = 979,763.71 : x - Step 2: Convert to fraction form
1,705,056.12/2,352,626.20 = 979,763.71/x - Step 3: Cross multiply
1,705,056.12x = 2,352,626.20 × 979,763.71 - Step 4: Simplify right side
1,705,056.12x = 2,305,017,773,955.20 - Step 5: Solve for x
x = 2,305,017,773,955.20/1,705,056.12 - Step 6: Final answer
x = 1,351,872.09
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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.