Finding the Fourth Proportional to 1,973,533.08, 2,723,475.60 and 1,068,115.08
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Solution
The fourth proportional to 1,973,533.08, 2,723,475.60 and 1,068,115.08 is: 1,473,998.78
Step by Step Solution
- Step 1: Write the proportion equation
1,973,533.08 : 2,723,475.60 = 1,068,115.08 : x - Step 2: Convert to fraction form
1,973,533.08/2,723,475.60 = 1,068,115.08/x - Step 3: Cross multiply
1,973,533.08x = 2,723,475.60 × 1,068,115.08 - Step 4: Simplify right side
1,973,533.08x = 2,908,985,358,372.05 - Step 5: Solve for x
x = 2,908,985,358,372.05/1,973,533.08 - Step 6: Final answer
x = 1,473,998.78
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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.