Finding the Fourth Proportional to 1,705,055.10, 2,554,213.05 and 1,106,432.70
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Solution
The fourth proportional to 1,705,055.10, 2,554,213.05 and 1,106,432.70 is: 1,657,462.47
Step by Step Solution
- Step 1: Write the proportion equation
1,705,055.10 : 2,554,213.05 = 1,106,432.70 : x - Step 2: Convert to fraction form
1,705,055.10/2,554,213.05 = 1,106,432.70/x - Step 3: Cross multiply
1,705,055.10x = 2,554,213.05 × 1,106,432.70 - Step 4: Simplify right side
1,705,055.10x = 2,826,064,841,286.74 - Step 5: Solve for x
x = 2,826,064,841,286.74/1,705,055.10 - Step 6: Final answer
x = 1,657,462.47
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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.